651606106012 has 12 divisors (see below), whose sum is σ = 1143694399120. Its totient is φ = 324836277696.

The previous prime is 651606106007. The next prime is 651606106033. The reversal of 651606106012 is 210601606156.

It is a happy number.

It is a congruent number.

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, 241692312 + ... + 241695007.

Almost surely, 2^651606106012 is an apocalyptic number.

It is an amenable number.

651606106012 is a deficient number, since it is larger than the sum of its proper divisors (492088293108).

651606106012 is a wasteful number, since it uses less digits than its factorization.

651606106012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483387660 (or 483387658 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 651606106012 in words is "six hundred fifty-one billion, six hundred six million, one hundred six thousand, twelve".