5616661620520 has 64 divisors (see below), whose sum is σ = 13118028019200. Its totient is φ = 2162045187840.

The previous prime is 5616661620517. The next prime is 5616661620569. The reversal of 5616661620520 is 250261666165.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12430459 + ... + 12874378.

It is an arithmetic number, because the mean of its divisors is an integer number (204969187800).

Almost surely, 2^{5616661620520} is an apocalyptic number.

It is an amenable number.

5616661620520 is an abundant number, since it is smaller than the sum of its proper divisors (7501366398680).

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

5616661620520 is a wasteful number, since it uses less digits than its factorization.

5616661620520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25305058 (or 25305054 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 5616661620520 in words is "five trillion, six hundred sixteen billion, six hundred sixty-one million, six hundred twenty thousand, five hundred twenty".