157320214928 has 40 divisors (see below), whose sum is σ = 322975369920. Its totient is φ = 74026569600.

The previous prime is 157320214927. The next prime is 157320214943. The reversal of 157320214928 is 829412023751.

It is a super-2 number, since 2×157320214928² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157320214927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1667675 + ... + 1759482.

It is an arithmetic number, because the mean of its divisors is an integer number (8074384248).

Almost surely, 2^157320214928 is an apocalyptic number.

It is an amenable number.

157320214928 is an abundant number, since it is smaller than the sum of its proper divisors (165655154992).

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

157320214928 is a wasteful number, since it uses less digits than its factorization.

157320214928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427335 (or 3427329 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 157320214928 in words is "one hundred fifty-seven billion, three hundred twenty million, two hundred fourteen thousand, nine hundred twenty-eight".