165112373369 has 2 divisors, whose sum is σ = 165112373370. Its totient is φ = 165112373368.

The previous prime is 165112373341. The next prime is 165112373473. The reversal of 165112373369 is 963373211561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164826256144 + 286117225 = 405988^2 + 16915^2 .

It is a cyclic number.

It is not a de Polignac number, because 165112373369 - 2²⁴ = 165095596153 is a prime.

It is a super-2 number, since 2×165112373369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (165112373869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82556186684 + 82556186685.

It is an arithmetic number, because the mean of its divisors is an integer number (82556186685).

Almost surely, 2^165112373369 is an apocalyptic number.

It is an amenable number.

165112373369 is a deficient number, since it is larger than the sum of its proper divisors (1).

165112373369 is an equidigital number, since it uses as much as digits as its factorization.

165112373369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 47.

The spelling of 165112373369 in words is "one hundred sixty-five billion, one hundred twelve million, three hundred seventy-three thousand, three hundred sixty-nine".