5565116664 has 40 divisors (see below), whose sum is σ = 15587481360. Its totient is φ = 1855038672.

The previous prime is 5565116647. The next prime is 5565116707. The reversal of 5565116664 is 4666115655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4293424 + ... + 4294719.

It is an arithmetic number, because the mean of its divisors is an integer number (389687034).

Almost surely, 2^5565116664 is an apocalyptic number.

5565116664 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5565116664 is an abundant number, since it is smaller than the sum of its proper divisors (10022364696).

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

5565116664 is a wasteful number, since it uses less digits than its factorization.

5565116664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8588161 (or 8588148 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 5565116664 is about 74599.7095436705. The cubic root of 5565116664 is about 1772.1130523866.

The spelling of 5565116664 in words is "five billion, five hundred sixty-five million, one hundred sixteen thousand, six hundred sixty-four".