5656660115 has 4 divisors (see below), whose sum is σ = 6787992144. Its totient is φ = 4525328088.

The previous prime is 5656660109. The next prime is 5656660123. The reversal of 5656660115 is 5110666565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5656660115 - 2²⁰ = 5655611539 is a prime.

It is a Duffinian 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, 565666007 + ... + 565666016.

It is an arithmetic number, because the mean of its divisors is an integer number (1696998036).

Almost surely, 2^5656660115 is an apocalyptic number.

5656660115 is a deficient number, since it is larger than the sum of its proper divisors (1131332029).

5656660115 is a wasteful number, since it uses less digits than its factorization.

5656660115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131332028.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 5656660115 is about 75210.7712698121. The cubic root of 5656660115 is about 1781.7770532030. Note that the first 3 decimals are identical.

The spelling of 5656660115 in words is "five billion, six hundred fifty-six million, six hundred sixty thousand, one hundred fifteen".