1000168369 has 2 divisors, whose sum is σ = 1000168370. Its totient is φ = 1000168368.

The previous prime is 1000168333. The next prime is 1000168387. The reversal of 1000168369 is 9638610001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 906311025 + 93857344 = 30105^2 + 9688^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000168369 - 2¹⁵ = 1000135601 is a prime.

It is a super-2 number, since 2×1000168369² = 2000673532696240322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1000168669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500084184 + 500084185.

It is an arithmetic number, because the mean of its divisors is an integer number (500084185).

Almost surely, 2^1000168369 is an apocalyptic number.

It is an amenable number.

1000168369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000168369 is an equidigital number, since it uses as much as digits as its factorization.

1000168369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1000168369 is about 31625.4386372743. The cubic root of 1000168369 is about 1000.0561198505.

The spelling of 1000168369 in words is "one billion, one hundred sixty-eight thousand, three hundred sixty-nine".