5664166602663 has 16 divisors (see below), whose sum is σ = 8003195877600. Its totient is φ = 3556975941120.

The previous prime is 5664166602637. The next prime is 5664166602667. The reversal of 5664166602663 is 3662066614665.

It is not a de Polignac number, because 5664166602663 - 2⁸ = 5664166602407 is a prime.

It is a super-2 number, since 2×5664166602663² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5664166602667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793964278 + ... + 793971411.

It is an arithmetic number, because the mean of its divisors is an integer number (500199742350).

Almost surely, 2^{5664166602663} is an apocalyptic number.

5664166602663 is a deficient number, since it is larger than the sum of its proper divisors (2339029274937).

5664166602663 is a wasteful number, since it uses less digits than its factorization.

5664166602663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587935762.

The product of its (nonzero) digits is 33592320, while the sum is 57.

The spelling of 5664166602663 in words is "five trillion, six hundred sixty-four billion, one hundred sixty-six million, six hundred two thousand, six hundred sixty-three".