6515220160566 has 48 divisors (see below), whose sum is σ = 15290054344656. Its totient is φ = 1993095350208.

The previous prime is 6515220160499. The next prime is 6515220160613. The reversal of 6515220160566 is 6650610225156.

6515220160566 is a `hidden beast` number, since 6 + 5 + 1 + 5 + 2 + 20 + 1 + 60 + 566 = 666.

It is a Curzon number.

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, 80430100 + ... + 80511063.

It is an arithmetic number, because the mean of its divisors is an integer number (318542798847).

Almost surely, 2^{6515220160566} is an apocalyptic number.

6515220160566 is an abundant number, since it is smaller than the sum of its proper divisors (8774834184090).

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

6515220160566 is a wasteful number, since it uses less digits than its factorization.

6515220160566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160941357 (or 160941354 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 6515220160566 in words is "six trillion, five hundred fifteen billion, two hundred twenty million, one hundred sixty thousand, five hundred sixty-six".