7630656651 has 16 divisors (see below), whose sum is σ = 11309346720. Its totient is φ = 5085002880.

The previous prime is 7630656641. The next prime is 7630656667. The reversal of 7630656651 is 1566560367.

7630656651 is a `hidden beast` number, since 7 + 6 + 30 + 6 + 566 + 51 = 666.

It is not a de Polignac number, because 7630656651 - 2²⁹ = 7093785739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7630656597 and 7630656606.

It is not an unprimeable number, because it can be changed into a prime (7630656641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9631 + ... + 123911.

It is an arithmetic number, because the mean of its divisors is an integer number (706834170).

Almost surely, 2^7630656651 is an apocalyptic number.

7630656651 is a deficient number, since it is larger than the sum of its proper divisors (3678690069).

7630656651 is a wasteful number, since it uses less digits than its factorization.

7630656651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116763 (or 116757 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 7630656651 is about 87353.6298673387. The cubic root of 7630656651 is about 1968.7351901652.

The spelling of 7630656651 in words is "seven billion, six hundred thirty million, six hundred fifty-six thousand, six hundred fifty-one".