157161566 has 8 divisors (see below), whose sum is σ = 249609600. Its totient is φ = 73958368.

The previous prime is 157161523. The next prime is 157161577. The reversal of 157161566 is 665161751.

157161566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2311166 + ... + 2311233.

It is an arithmetic number, because the mean of its divisors is an integer number (31201200).

Almost surely, 2^157161566 is an apocalyptic number.

157161566 is a deficient number, since it is larger than the sum of its proper divisors (92448034).

157161566 is a wasteful number, since it uses less digits than its factorization.

157161566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622418.

The product of its digits is 37800, while the sum is 38.

The square root of 157161566 is about 12536.4096136015. The cubic root of 157161566 is about 539.6540605502.

The spelling of 157161566 in words is "one hundred fifty-seven million, one hundred sixty-one thousand, five hundred sixty-six".