651676607752 has 8 divisors (see below), whose sum is σ = 1221893639550. Its totient is φ = 325838303872.

The previous prime is 651676607749. The next prime is 651676607753. The reversal of 651676607752 is 257706676156.

It can be written as a sum of positive squares in only one way, i.e., 647583935076 + 4092672676 = 804726^2 + 63974^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (651676607753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40729787977 + ... + 40729787992.

Almost surely, 2^651676607752 is an apocalyptic number.

It is an amenable number.

651676607752 is a deficient number, since it is larger than the sum of its proper divisors (570217031798).

651676607752 is a wasteful number, since it uses less digits than its factorization.

651676607752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81459575975 (or 81459575971 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 58.

The spelling of 651676607752 in words is "six hundred fifty-one billion, six hundred seventy-six million, six hundred seven thousand, seven hundred fifty-two".