651054122216 has 16 divisors (see below), whose sum is σ = 1223397659940. Its totient is φ = 324814746240.

The previous prime is 651054122203. The next prime is 651054122221. The reversal of 651054122216 is 612221450156.

651054122216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 467793074116 + 183261048100 = 683954^2 + 428090^2 .

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, 89035475 + ... + 89042786.

Almost surely, 2^651054122216 is an apocalyptic number.

It is an amenable number.

651054122216 is a deficient number, since it is larger than the sum of its proper divisors (572343537724).

651054122216 is a wasteful number, since it uses less digits than its factorization.

651054122216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178078724 (or 178078720 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 651054122216 in words is "six hundred fifty-one billion, fifty-four million, one hundred twenty-two thousand, two hundred sixteen".