613366165220 has 48 divisors (see below), whose sum is σ = 1423135018368. Its totient is φ = 220874565120.

The previous prime is 613366165213. The next prime is 613366165249. The reversal of 613366165220 is 22561663316.

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, 39209966 + ... + 39225605.

It is an arithmetic number, because the mean of its divisors is an integer number (29648646216).

Almost surely, 2^613366165220 is an apocalyptic number.

It is an amenable number.

613366165220 is an abundant number, since it is smaller than the sum of its proper divisors (809768853148).

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

613366165220 is a wasteful number, since it uses less digits than its factorization.

613366165220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78435620 (or 78435618 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 613366165220 in words is "six hundred thirteen billion, three hundred sixty-six million, one hundred sixty-five thousand, two hundred twenty".