5664654868608 has 72 divisors (see below), whose sum is σ = 16300866913695. Its totient is φ = 1888191362304.

The previous prime is 5664654868583. The next prime is 5664654868667. The reversal of 5664654868608 is 8068684564665.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

5664654868608 is a `hidden beast` number, since 5 + 6 + 6 + 4 + 6 + 5 + 4 + 8 + 6 + 8 + 608 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2832327434304 + 2832327434304 = 1682952^2 + 1682952^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1682952.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 80746635 + ... + 80816757.

Almost surely, 2^{5664654868608} is an apocalyptic number.

It is an amenable number.

5664654868608 is an abundant number, since it is smaller than the sum of its proper divisors (10636212045087).

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

5664654868608 is an frugal number, since it uses more digits than its factorization.

5664654868608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140266 (or 70128 counting only the distinct ones).

The product of its (nonzero) digits is 1592524800, while the sum is 72.

Multiplying 5664654868608 by its sum of digits (72), we get a square (407855150539776 = 20195424²).

5664654868608 divided by its sum of digits (72) gives a square (78675762064 = 280492²).

The spelling of 5664654868608 in words is "five trillion, six hundred sixty-four billion, six hundred fifty-four million, eight hundred sixty-eight thousand, six hundred eight".