6297665856 has 28 divisors (see below), whose sum is σ = 16662574752. Its totient is φ = 2099221888.

The previous prime is 6297665837. The next prime is 6297665863. The reversal of 6297665856 is 6585667926.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6297665856.

It is a congruent number.

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, 16399980 + ... + 16400363.

Almost surely, 2^6297665856 is an apocalyptic number.

It is an amenable number.

6297665856 is an abundant number, since it is smaller than the sum of its proper divisors (10364908896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6297665856 is a wasteful number, since it uses less digits than its factorization.

6297665856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32800358 (or 32800348 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 60.

The square root of 6297665856 is about 79357.8342446415. The cubic root of 6297665856 is about 1846.6866288872.

The spelling of 6297665856 in words is "six billion, two hundred ninety-seven million, six hundred sixty-five thousand, eight hundred fifty-six".