5664100663021 has 8 divisors (see below), whose sum is σ = 5669746767360. Its totient is φ = 5658457200528.

The previous prime is 5664100663007. The next prime is 5664100663057. The reversal of 5664100663021 is 1203660014665.

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 5664100663021 - 2⁹ = 5664100662509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5664100667021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3643620 + ... + 4960258.

It is an arithmetic number, because the mean of its divisors is an integer number (708718345920).

Almost surely, 2^{5664100663021} is an apocalyptic number.

It is an amenable number.

5664100663021 is a deficient number, since it is larger than the sum of its proper divisors (5646104339).

5664100663021 is a wasteful number, since it uses less digits than its factorization.

5664100663021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320923.

The product of its (nonzero) digits is 155520, while the sum is 40.

Adding to 5664100663021 its reverse (1203660014665), we get a palindrome (6867760677686).

The spelling of 5664100663021 in words is "five trillion, six hundred sixty-four billion, one hundred million, six hundred sixty-three thousand, twenty-one".