651312616448 has 88 divisors (see below), whose sum is σ = 1475939730720. Its totient is φ = 284784353280.

The previous prime is 651312616439. The next prime is 651312616459. The reversal of 651312616448 is 844616213156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034618 + ... + 1540473.

Almost surely, 2^651312616448 is an apocalyptic number.

It is an amenable number.

651312616448 is an abundant number, since it is smaller than the sum of its proper divisors (824627114272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

651312616448 is a wasteful number, since it uses less digits than its factorization.

651312616448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575143 (or 2575125 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The spelling of 651312616448 in words is "six hundred fifty-one billion, three hundred twelve million, six hundred sixteen thousand, four hundred forty-eight".