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79164941161 is a prime number
BaseRepresentation
bin100100110111010011…
…0010010001101101001
321120100010210200121211
41021232212102031221
52244112211104121
6100211243233121
75501531616505
oct1115646221551
9246303720554
1079164941161
1130634600009
12134142187a1
137608128467
143b8dcc5305
1520d501dce1
hex126e992369

79164941161 has 2 divisors, whose sum is σ = 79164941162. Its totient is φ = 79164941160.

The previous prime is 79164941129. The next prime is 79164941201. The reversal of 79164941161 is 16114946197.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62035366761 + 17129574400 = 249069^2 + 130880^2 .

It is a cyclic number.

It is not a de Polignac number, because 79164941161 - 25 = 79164941129 is a prime.

It is not a weakly prime, because it can be changed into another prime (79164941101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39582470580 + 39582470581.

It is an arithmetic number, because the mean of its divisors is an integer number (39582470581).

Almost surely, 279164941161 is an apocalyptic number.

It is an amenable number.

79164941161 is a deficient number, since it is larger than the sum of its proper divisors (1).

79164941161 is an equidigital number, since it uses as much as digits as its factorization.

79164941161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 49.

The spelling of 79164941161 in words is "seventy-nine billion, one hundred sixty-four million, nine hundred forty-one thousand, one hundred sixty-one".