157164590 has 16 divisors (see below), whose sum is σ = 308614320. Its totient is φ = 57150720.

The previous prime is 157164571. The next prime is 157164611. The reversal of 157164590 is 95461751.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714275 + ... + 714494.

It is an arithmetic number, because the mean of its divisors is an integer number (19288395).

Almost surely, 2^157164590 is an apocalyptic number.

157164590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157164590 is a deficient number, since it is larger than the sum of its proper divisors (151449730).

157164590 is a wasteful number, since it uses less digits than its factorization.

157164590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428787.

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

The square root of 157164590 is about 12536.5302217161. The cubic root of 157164590 is about 539.6575217515.

The spelling of 157164590 in words is "one hundred fifty-seven million, one hundred sixty-four thousand, five hundred ninety".