651200651572 has 12 divisors (see below), whose sum is σ = 1139681645956. Its totient is φ = 325577324160.

The previous prime is 651200651567. The next prime is 651200651597. The reversal of 651200651572 is 275156002156.

651200651572 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 491563645456 + 159637006116 = 701116^2 + 399546^2 .

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, 5686629 + ... + 5800012.

Almost surely, 2^651200651572 is an apocalyptic number.

It is an amenable number.

651200651572 is a deficient number, since it is larger than the sum of its proper divisors (488480994384).

651200651572 is a wasteful number, since it uses less digits than its factorization.

651200651572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11500818 (or 11500816 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 651200651572 in words is "six hundred fifty-one billion, two hundred million, six hundred fifty-one thousand, five hundred seventy-two".