6657115564 has 36 divisors (see below), whose sum is σ = 12876236464. Its totient is φ = 3009204000.

The previous prime is 6657115547. The next prime is 6657115567. The reversal of 6657115564 is 4655117566.

It is not an unprimeable number, because it can be changed into a prime (6657115567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49609 + ... + 125599.

Almost surely, 2^6657115564 is an apocalyptic number.

It is an amenable number.

6657115564 is a deficient number, since it is larger than the sum of its proper divisors (6219120900).

6657115564 is a wasteful number, since it uses less digits than its factorization.

6657115564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76198 (or 76185 counting only the distinct ones).

The product of its digits is 756000, while the sum is 46.

The square root of 6657115564 is about 81591.1488091692. The cubic root of 6657115564 is about 1881.1728350243.

It can be divided in two parts, 6657 and 115564, that added together give a palindrome (122221).

The spelling of 6657115564 in words is "six billion, six hundred fifty-seven million, one hundred fifteen thousand, five hundred sixty-four".