157657260670 has 64 divisors (see below), whose sum is σ = 369816886656. Its totient is φ = 46960865280.

The previous prime is 157657260667. The next prime is 157657260679. The reversal of 157657260670 is 76062756751.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157657260679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5080111 + ... + 5111050.

It is an arithmetic number, because the mean of its divisors is an integer number (5778388854).

Almost surely, 2^157657260670 is an apocalyptic number.

157657260670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157657260670 is an abundant number, since it is smaller than the sum of its proper divisors (212159625986).

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

157657260670 is a wasteful number, since it uses less digits than its factorization.

157657260670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10191205.

The product of its (nonzero) digits is 3704400, while the sum is 52.

The spelling of 157657260670 in words is "one hundred fifty-seven billion, six hundred fifty-seven million, two hundred sixty thousand, six hundred seventy".