5664554665 has 32 divisors (see below), whose sum is σ = 8479800576. Its totient is φ = 3529052160.

The previous prime is 5664554591. The next prime is 5664554671.

5664554665 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5664554665 - 2¹¹ = 5664552617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 871869 + ... + 878341.

It is an arithmetic number, because the mean of its divisors is an integer number (264993768).

Almost surely, 2^5664554665 is an apocalyptic number.

5664554665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5664554665 is a deficient number, since it is larger than the sum of its proper divisors (2815245911).

5664554665 is a wasteful number, since it uses less digits than its factorization.

5664554665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8769.

The product of its digits is 12960000, while the sum is 52.

The square root of 5664554665 is about 75263.2358127127. The cubic root of 5664554665 is about 1782.6055626690.

The spelling of 5664554665 in words is "five billion, six hundred sixty-four million, five hundred fifty-four thousand, six hundred sixty-five".