157170701656 has 16 divisors (see below), whose sum is σ = 299093500440. Its totient is φ = 77412434880.

The previous prime is 157170701621. The next prime is 157170701659. The reversal of 157170701656 is 656107071751.

It is a super-2 number, since 2×157170701656² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157170701659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146613925 + ... + 146614996.

Almost surely, 2^157170701656 is an apocalyptic number.

It is an amenable number.

157170701656 is a deficient number, since it is larger than the sum of its proper divisors (141922798784).

157170701656 is a wasteful number, since it uses less digits than its factorization.

157170701656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293228994 (or 293228990 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 46.

The spelling of 157170701656 in words is "one hundred fifty-seven billion, one hundred seventy million, seven hundred one thousand, six hundred fifty-six".