156748664 has 8 divisors (see below), whose sum is σ = 293903760. Its totient is φ = 78374328.

The previous prime is 156748633. The next prime is 156748673. The reversal of 156748664 is 466847651.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9796784 + ... + 9796799.

It is an arithmetic number, because the mean of its divisors is an integer number (36737970).

Almost surely, 2^156748664 is an apocalyptic number.

It is an amenable number.

156748664 is a deficient number, since it is larger than the sum of its proper divisors (137155096).

156748664 is a wasteful number, since it uses less digits than its factorization.

156748664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19593589 (or 19593585 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 156748664 is about 12519.9306707346. The cubic root of 156748664 is about 539.1810448508.

The spelling of 156748664 in words is "one hundred fifty-six million, seven hundred forty-eight thousand, six hundred sixty-four".