5331660614640 has 120 divisors (see below), whose sum is σ = 18847888010640. Its totient is φ = 1346945836032.

The previous prime is 5331660614603. The next prime is 5331660614669. The reversal of 5331660614640 is 464160661335.

5331660614640 is a `hidden beast` number, since 5 + 3 + 31 + 6 + 606 + 1 + 4 + 6 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194856957 + ... + 194884316.

It is an arithmetic number, because the mean of its divisors is an integer number (157065733422).

Almost surely, 2^{5331660614640} is an apocalyptic number.

It is an amenable number.

5331660614640 is an abundant number, since it is smaller than the sum of its proper divisors (13516227396000).

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

5331660614640 is a wasteful number, since it uses less digits than its factorization.

5331660614640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389741311 (or 389741302 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 5331660614640 in words is "five trillion, three hundred thirty-one billion, six hundred sixty million, six hundred fourteen thousand, six hundred forty".