6538617264 has 40 divisors (see below), whose sum is σ = 16897905072. Its totient is φ = 2178703360.

The previous prime is 6538617259. The next prime is 6538617277. The reversal of 6538617264 is 4627168356.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107404 + ... + 156884.

Almost surely, 2^6538617264 is an apocalyptic number.

It is an amenable number.

6538617264 is an abundant number, since it is smaller than the sum of its proper divisors (10359287808).

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

6538617264 is a wasteful number, since it uses less digits than its factorization.

6538617264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52245 (or 52239 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 6538617264 is about 80861.7169246362. The cubic root of 6538617264 is about 1869.9441644991.

The spelling of 6538617264 in words is "six billion, five hundred thirty-eight million, six hundred seventeen thousand, two hundred sixty-four".