157596666 has 16 divisors (see below), whose sum is σ = 321141024. Its totient is φ = 51540944.

The previous prime is 157596631. The next prime is 157596689. The reversal of 157596666 is 666695751.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247476 + ... + 248111.

It is an arithmetic number, because the mean of its divisors is an integer number (20071314).

Almost surely, 2^157596666 is an apocalyptic number.

157596666 is an abundant number, since it is smaller than the sum of its proper divisors (163544358).

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

157596666 is a wasteful number, since it uses less digits than its factorization.

157596666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495645.

The product of its digits is 2041200, while the sum is 51.

The square root of 157596666 is about 12553.7510728865. The cubic root of 157596666 is about 540.1516103791.

The spelling of 157596666 in words is "one hundred fifty-seven million, five hundred ninety-six thousand, six hundred sixty-six".