6625656351 has 24 divisors (see below), whose sum is σ = 9671650560. Its totient is φ = 4370505216.

The previous prime is 6625656343. The next prime is 6625656371. The reversal of 6625656351 is 1536565266.

6625656351 is a `hidden beast` number, since 6 + 6 + 2 + 5 + 6 + 5 + 635 + 1 = 666.

It is not a de Polignac number, because 6625656351 - 2³ = 6625656343 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6625656297 and 6625656306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625656371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 622210 + ... + 632768.

It is an arithmetic number, because the mean of its divisors is an integer number (402985440).

Almost surely, 2^6625656351 is an apocalyptic number.

6625656351 is a deficient number, since it is larger than the sum of its proper divisors (3045994209).

6625656351 is a wasteful number, since it uses less digits than its factorization.

6625656351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11295 (or 11292 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The square root of 6625656351 is about 81398.1348127830. The cubic root of 6625656351 is about 1878.2048987583.

It can be divided in two parts, 6625 and 656351, that added together give a triangular number (662976 = T₁₁₅₁).

The spelling of 6625656351 in words is "six billion, six hundred twenty-five million, six hundred fifty-six thousand, three hundred fifty-one".