157112566 has 8 divisors (see below), whose sum is σ = 253797264. Its totient is φ = 72513480.

The previous prime is 157112561. The next prime is 157112567. The reversal of 157112566 is 665211751.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157112561) 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, 3021370 + ... + 3021421.

It is an arithmetic number, because the mean of its divisors is an integer number (31724658).

Almost surely, 2^157112566 is an apocalyptic number.

157112566 is a deficient number, since it is larger than the sum of its proper divisors (96684698).

157112566 is a wasteful number, since it uses less digits than its factorization.

157112566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6042806.

The product of its digits is 12600, while the sum is 34.

The square root of 157112566 is about 12534.4551536954. The cubic root of 157112566 is about 539.5979700818.

It can be divided in two parts, 1571 and 12566, that multiplied together give a triangular number (19741186 = T₆₂₈₃).

The spelling of 157112566 in words is "one hundred fifty-seven million, one hundred twelve thousand, five hundred sixty-six".