651612968 has 16 divisors (see below), whose sum is σ = 1224564000. Its totient is φ = 325062576.

The previous prime is 651612947. The next prime is 651612971. The reversal of 651612968 is 869216156.

651612968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 89258 + ... + 96281.

It is an arithmetic number, because the mean of its divisors is an integer number (76535250).

Almost surely, 2^651612968 is an apocalyptic number.

It is an amenable number.

651612968 is a deficient number, since it is larger than the sum of its proper divisors (572951032).

651612968 is a wasteful number, since it uses less digits than its factorization.

651612968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185984 (or 185980 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 651612968 is about 25526.7108731227. The cubic root of 651612968 is about 866.9550344806.

The spelling of 651612968 in words is "six hundred fifty-one million, six hundred twelve thousand, nine hundred sixty-eight".