155164765374 has 16 divisors (see below), whose sum is σ = 344810589840. Its totient is φ = 51721588440.

The previous prime is 155164765351. The next prime is 155164765387. The reversal of 155164765374 is 473567461551.

155164765374 is a `hidden beast` number, since 1 + 5 + 51 + 6 + 476 + 53 + 74 = 666.

It is a super-2 number, since 2×155164765374² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 2873421581 = 155164765374 / (1 + 5 + 5 + 1 + 6 + 4 + 7 + 6 + 5 + 3 + 7 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 155164765374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436710737 + ... + 1436710844.

It is an arithmetic number, because the mean of its divisors is an integer number (21550661865).

Almost surely, 2^155164765374 is an apocalyptic number.

155164765374 is an abundant number, since it is smaller than the sum of its proper divisors (189645824466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155164765374 is a wasteful number, since it uses less digits than its factorization.

155164765374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873421592 (or 2873421586 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 54.

The spelling of 155164765374 in words is "one hundred fifty-five billion, one hundred sixty-four million, seven hundred sixty-five thousand, three hundred seventy-four".