157916680425 has 72 divisors (see below), whose sum is σ = 324180292800. Its totient is φ = 71983382400.

The previous prime is 157916680409. The next prime is 157916680447. The reversal of 157916680425 is 524086619751.

It is a happy number.

157916680425 is a `hidden beast` number, since 1 + 57 + 9 + 166 + 8 + 0 + 425 = 666.

It is not a de Polignac number, because 157916680425 - 2⁴ = 157916680409 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 406030 + ... + 693320.

Almost surely, 2^157916680425 is an apocalyptic number.

157916680425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157916680425 is an abundant number, since it is smaller than the sum of its proper divisors (166263612375).

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

157916680425 is a wasteful number, since it uses less digits than its factorization.

157916680425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287663 (or 287655 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 157916680425 in words is "one hundred fifty-seven billion, nine hundred sixteen million, six hundred eighty thousand, four hundred twenty-five".