155974272964 has 24 divisors (see below), whose sum is σ = 276438556800. Its totient is φ = 76993154784.

The previous prime is 155974272943. The next prime is 155974272977. The reversal of 155974272964 is 469272479551.

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, 307362 + ... + 637510.

It is an arithmetic number, because the mean of its divisors is an integer number (11518273200).

Almost surely, 2^155974272964 is an apocalyptic number.

It is an amenable number.

155974272964 is a deficient number, since it is larger than the sum of its proper divisors (120464283836).

155974272964 is a wasteful number, since it uses less digits than its factorization.

155974272964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331659 (or 331657 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 61.

The spelling of 155974272964 in words is "one hundred fifty-five billion, nine hundred seventy-four million, two hundred seventy-two thousand, nine hundred sixty-four".