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168976968001001 is a prime number
BaseRepresentation
bin100110011010111100000100…
…001001110010010111101001
3211011022001002102202002122022
4212122330010021302113221
5134122004312302013001
61355214540352034225
750410116535244156
oct4632740411622751
9734261072662568
10168976968001001
1149928803241696
1216b50a50832975
1373395c8ca0134
142da27593b322d
15148072aa1d11b
hex99af042725e9

168976968001001 has 2 divisors, whose sum is σ = 168976968001002. Its totient is φ = 168976968001000.

The previous prime is 168976968000949. The next prime is 168976968001063. The reversal of 168976968001001 is 100100869679861.

It is an a-pointer prime, because the next prime (168976968001063) can be obtained adding 168976968001001 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103201705062976 + 65775262938025 = 10158824^2 + 8110195^2 .

It is a cyclic number.

It is not a de Polignac number, because 168976968001001 - 230 = 168975894259177 is a prime.

It is a super-2 number, since 2×1689769680010012 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (168976968001801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84488484000500 + 84488484000501.

It is an arithmetic number, because the mean of its divisors is an integer number (84488484000501).

Almost surely, 2168976968001001 is an apocalyptic number.

It is an amenable number.

168976968001001 is a deficient number, since it is larger than the sum of its proper divisors (1).

168976968001001 is an equidigital number, since it uses as much as digits as its factorization.

168976968001001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 62.

The spelling of 168976968001001 in words is "one hundred sixty-eight trillion, nine hundred seventy-six billion, nine hundred sixty-eight million, one thousand, one".