165157175159 has 2 divisors, whose sum is σ = 165157175160. Its totient is φ = 165157175158.

The previous prime is 165157175129. The next prime is 165157175179. The reversal of 165157175159 is 951571751561.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165157175159 - 2¹² = 165157171063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165157175159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165157175129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82578587579 + 82578587580.

It is an arithmetic number, because the mean of its divisors is an integer number (82578587580).

Almost surely, 2^165157175159 is an apocalyptic number.

165157175159 is a deficient number, since it is larger than the sum of its proper divisors (1).

165157175159 is an equidigital number, since it uses as much as digits as its factorization.

165157175159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1653750, while the sum is 53.

The spelling of 165157175159 in words is "one hundred sixty-five billion, one hundred fifty-seven million, one hundred seventy-five thousand, one hundred fifty-nine".