6656656051 has 32 divisors (see below), whose sum is σ = 7403616000. Its totient is φ = 5958531072.

The previous prime is 6656655961. The next prime is 6656656079. The reversal of 6656656051 is 1506566566.

6656656051 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6656656051 - 2⁷ = 6656655923 is a prime.

It is a super-2 number, since 2×6656656051² = 88622139562629829202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6656655992 and 6656656010.

It is not an unprimeable number, because it can be changed into a prime (6656656091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5415705 + ... + 5416933.

It is an arithmetic number, because the mean of its divisors is an integer number (231363000).

Almost surely, 2^6656656051 is an apocalyptic number.

6656656051 is a deficient number, since it is larger than the sum of its proper divisors (746959949).

6656656051 is a wasteful number, since it uses less digits than its factorization.

6656656051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471.

The product of its (nonzero) digits is 972000, while the sum is 46.

The square root of 6656656051 is about 81588.3328117446. The cubic root of 6656656051 is about 1881.1295508494.

The spelling of 6656656051 in words is "six billion, six hundred fifty-six million, six hundred fifty-six thousand, fifty-one".