5660721522 has 24 divisors (see below), whose sum is σ = 12346127040. Its totient is φ = 1874410200.

The previous prime is 5660721499. The next prime is 5660721533. The reversal of 5660721522 is 2251270665.

5660721522 is a `hidden beast` number, since 5 + 6 + 60 + 72 + 1 + 522 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1038622 + ... + 1044057.

It is an arithmetic number, because the mean of its divisors is an integer number (514421960).

Almost surely, 2^5660721522 is an apocalyptic number.

5660721522 is an abundant number, since it is smaller than the sum of its proper divisors (6685405518).

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

5660721522 is a wasteful number, since it uses less digits than its factorization.

5660721522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082838 (or 2082835 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 5660721522 is about 75237.7665936463. The cubic root of 5660721522 is about 1782.2033819572.

The spelling of 5660721522 in words is "five billion, six hundred sixty million, seven hundred twenty-one thousand, five hundred twenty-two".