652719664 has 20 divisors (see below), whose sum is σ = 1298825104. Its totient is φ = 317539008.

The previous prime is 652719637. The next prime is 652719677. The reversal of 652719664 is 466917256.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550692 + ... + 551875.

Almost surely, 2^652719664 is an apocalyptic number.

It is an amenable number.

652719664 is a deficient number, since it is larger than the sum of its proper divisors (646105440).

652719664 is a wasteful number, since it uses less digits than its factorization.

652719664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102612 (or 1102606 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 652719664 is about 25548.3788918201. The cubic root of 652719664 is about 867.4455674860.

The spelling of 652719664 in words is "six hundred fifty-two million, seven hundred nineteen thousand, six hundred sixty-four".