157795566 has 8 divisors (see below), whose sum is σ = 315591144. Its totient is φ = 52598520.

The previous prime is 157795553. The next prime is 157795567. The reversal of 157795566 is 665597751.

It is a sphenic number, since it is the product of 3 distinct primes.

157795566 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157795567) 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, 13149625 + ... + 13149636.

It is an arithmetic number, because the mean of its divisors is an integer number (39448893).

Almost surely, 2^157795566 is an apocalyptic number.

157795566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

157795566 is a wasteful number, since it uses less digits than its factorization.

157795566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26299266.

The product of its digits is 1984500, while the sum is 51.

The square root of 157795566 is about 12561.6705099282. The cubic root of 157795566 is about 540.3787534863.

The spelling of 157795566 in words is "one hundred fifty-seven million, seven hundred ninety-five thousand, five hundred sixty-six".