6356536128 has 112 divisors (see below), whose sum is σ = 19499640960. Its totient is φ = 2026708992.

The previous prime is 6356536097. The next prime is 6356536133. The reversal of 6356536128 is 8216356536.

6356536128 is a `hidden beast` number, since 6 + 3 + 565 + 3 + 61 + 28 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40225 + ... + 119712.

Almost surely, 2^6356536128 is an apocalyptic number.

It is an amenable number.

6356536128 is an abundant number, since it is smaller than the sum of its proper divisors (13143104832).

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

6356536128 is a wasteful number, since it uses less digits than its factorization.

6356536128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159981 (or 159965 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 6356536128 is about 79727.8880191869. Note that the first 3 decimals coincide. The cubic root of 6356536128 is about 1852.4230366819.

The spelling of 6356536128 in words is "six billion, three hundred fifty-six million, five hundred thirty-six thousand, one hundred twenty-eight".