157163666 has 16 divisors (see below), whose sum is σ = 257722560. Its totient is φ = 71286480.

The previous prime is 157163663. The next prime is 157163689. The reversal of 157163666 is 666361751.

157163666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (157163663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3380 + ... + 18048.

It is an arithmetic number, because the mean of its divisors is an integer number (16107660).

Almost surely, 2^157163666 is an apocalyptic number.

157163666 is a deficient number, since it is larger than the sum of its proper divisors (100558894).

157163666 is a wasteful number, since it uses less digits than its factorization.

157163666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15169.

The product of its digits is 136080, while the sum is 41.

The square root of 157163666 is about 12536.4933693597. The cubic root of 157163666 is about 539.6564641669.

The spelling of 157163666 in words is "one hundred fifty-seven million, one hundred sixty-three thousand, six hundred sixty-six".