7331607656 has 16 divisors (see below), whose sum is σ = 13747963140. Its totient is φ = 3665484160.

The previous prime is 7331607649. The next prime is 7331607667. The reversal of 7331607656 is 6567061337.

It can be written as a sum of positive squares in 2 ways, for example, as 6778887556 + 552720100 = 82334^2 + 23510^2 .

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, 77996 + ... + 144036.

Almost surely, 2^7331607656 is an apocalyptic number.

It is an amenable number.

7331607656 is a deficient number, since it is larger than the sum of its proper divisors (6416355484).

7331607656 is a wasteful number, since it uses less digits than its factorization.

7331607656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79924 (or 79920 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 44.

The square root of 7331607656 is about 85624.8074800755. The cubic root of 7331607656 is about 1942.6731541269.

The spelling of 7331607656 in words is "seven billion, three hundred thirty-one million, six hundred seven thousand, six hundred fifty-six".