651089980156 has 48 divisors (see below), whose sum is σ = 1421271936000. Its totient is φ = 253544281920.

The previous prime is 651089980127. The next prime is 651089980169.

651089980156 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 651089980156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86946 + ... + 1144438.

It is an arithmetic number, because the mean of its divisors is an integer number (29609832000).

Almost surely, 2^651089980156 is an apocalyptic number.

It is an amenable number.

651089980156 is an abundant number, since it is smaller than the sum of its proper divisors (770181955844).

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

651089980156 is a wasteful number, since it uses less digits than its factorization.

651089980156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059514 (or 1059512 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 58.

The spelling of 651089980156 in words is "six hundred fifty-one billion, eighty-nine million, nine hundred eighty thousand, one hundred fifty-six".