645796696 has 16 divisors (see below), whose sum is σ = 1211607000. Its totient is φ = 322701504.

The previous prime is 645796687. The next prime is 645796751. The reversal of 645796696 is 696697546.

645796696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 645796696.

It is a congruent number.

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, 10165 + ... + 37348.

Almost surely, 2^645796696 is an apocalyptic number.

It is an amenable number.

645796696 is a deficient number, since it is larger than the sum of its proper divisors (565810304).

645796696 is a wasteful number, since it uses less digits than its factorization.

645796696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49218 (or 49214 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 58.

The square root of 645796696 is about 25412.5302951123. The cubic root of 645796696 is about 864.3678524790.

The spelling of 645796696 in words is "six hundred forty-five million, seven hundred ninety-six thousand, six hundred ninety-six".