156966664 has 24 divisors (see below), whose sum is σ = 299273130. Its totient is φ = 77182080.

The previous prime is 156966659. The next prime is 156966679. The reversal of 156966664 is 466669651.

It can be written as a sum of positive squares in 3 ways, for example, as 45832900 + 111133764 = 6770^2 + 10542^2 .

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 5 ways as a sum of consecutive naturals, for example, 27132 + ... + 32404.

Almost surely, 2^156966664 is an apocalyptic number.

It is an amenable number.

156966664 is a deficient number, since it is larger than the sum of its proper divisors (142306466).

156966664 is an equidigital number, since it uses as much as digits as its factorization.

156966664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5401 (or 5336 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 49.

The square root of 156966664 is about 12528.6337643017. The cubic root of 156966664 is about 539.4308864680.

The spelling of 156966664 in words is "one hundred fifty-six million, nine hundred sixty-six thousand, six hundred sixty-four".