157172326424 has 16 divisors (see below), whose sum is σ = 299692996200. Its totient is φ = 77254194112.

The previous prime is 157172326393. The next prime is 157172326427. The reversal of 157172326424 is 424623271751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157172326427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166495637 + ... + 166496580.

Almost surely, 2^157172326424 is an apocalyptic number.

It is an amenable number.

157172326424 is a deficient number, since it is larger than the sum of its proper divisors (142520669776).

157172326424 is a wasteful number, since it uses less digits than its factorization.

157172326424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332992282 (or 332992278 counting only the distinct ones).

The product of its digits is 564480, while the sum is 44.

The spelling of 157172326424 in words is "one hundred fifty-seven billion, one hundred seventy-two million, three hundred twenty-six thousand, four hundred twenty-four".