6657115555 has 8 divisors (see below), whose sum is σ = 7989182352. Its totient is φ = 5325263328.

The previous prime is 6657115547. The next prime is 6657115567. The reversal of 6657115555 is 5555117566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6657115555 - 2³ = 6657115547 is a prime.

It is a Duffinian number.

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, 25137 + ... + 118093.

It is an arithmetic number, because the mean of its divisors is an integer number (998647794).

Almost surely, 2^6657115555 is an apocalyptic number.

6657115555 is a deficient number, since it is larger than the sum of its proper divisors (1332066797).

6657115555 is a wasteful number, since it uses less digits than its factorization.

6657115555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107285.

The product of its digits is 787500, while the sum is 46.

The square root of 6657115555 is about 81591.1487540162. The cubic root of 6657115555 is about 1881.1728341766.

The spelling of 6657115555 in words is "six billion, six hundred fifty-seven million, one hundred fifteen thousand, five hundred fifty-five".