652632668 has 12 divisors (see below), whose sum is σ = 1142334312. Its totient is φ = 326251440.

The previous prime is 652632649. The next prime is 652632671. The reversal of 652632668 is 866236256.

652632668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 11771 + ... + 37997.

It is an arithmetic number, because the mean of its divisors is an integer number (95194526).

Almost surely, 2^652632668 is an apocalyptic number.

It is an amenable number.

652632668 is a deficient number, since it is larger than the sum of its proper divisors (489701644).

652632668 is a wasteful number, since it uses less digits than its factorization.

652632668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32452 (or 32450 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The square root of 652632668 is about 25546.6762613065. The cubic root of 652632668 is about 867.4070273839.

The spelling of 652632668 in words is "six hundred fifty-two million, six hundred thirty-two thousand, six hundred sixty-eight".