651116650000 has 60 divisors (see below), whose sum is σ = 1576822334724. Its totient is φ = 260446640000.

The previous prime is 651116649991. The next prime is 651116650031. The reversal of 651116650000 is 56611156.

It can be written as a sum of positive squares in 6 ways, for example, as 350847720976 + 300268929024 = 592324^2 + 547968^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6461167 + ... + 6561166.

Almost surely, 2^651116650000 is an apocalyptic number.

It is an amenable number.

651116650000 is an abundant number, since it is smaller than the sum of its proper divisors (925705684724).

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

651116650000 is an equidigital number, since it uses as much as digits as its factorization.

651116650000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13022366 (or 13022340 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 651116650000 in words is "six hundred fifty-one billion, one hundred sixteen million, six hundred fifty thousand".