155164939175 has 12 divisors (see below), whose sum is σ = 192412795656. Its totient is φ = 124126615200.

The previous prime is 155164939141. The next prime is 155164939177. The reversal of 155164939175 is 571939461551.

It is not a de Polignac number, because 155164939175 - 2¹⁶ = 155164873639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155164939175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155164939177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 523145 + ... + 764205.

It is an arithmetic number, because the mean of its divisors is an integer number (16034399638).

Almost surely, 2^155164939175 is an apocalyptic number.

155164939175 is a deficient number, since it is larger than the sum of its proper divisors (37247856481).

155164939175 is a wasteful number, since it uses less digits than its factorization.

155164939175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266818 (or 266813 counting only the distinct ones).

The product of its digits is 5103000, while the sum is 56.

The spelling of 155164939175 in words is "one hundred fifty-five billion, one hundred sixty-four million, nine hundred thirty-nine thousand, one hundred seventy-five".