2660411564 has 24 divisors (see below), whose sum is σ = 4860414720. Its totient is φ = 1271775824.

The previous prime is 2660411561. The next prime is 2660411569. The reversal of 2660411564 is 4651140662.

It is not an unprimeable number, because it can be changed into a prime (2660411561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239567 + ... + 250425.

It is an arithmetic number, because the mean of its divisors is an integer number (202517280).

Almost surely, 2^2660411564 is an apocalyptic number.

It is an amenable number.

2660411564 is a deficient number, since it is larger than the sum of its proper divisors (2200003156).

2660411564 is a wasteful number, since it uses less digits than its factorization.

2660411564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13549 (or 13547 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 2660411564 is about 51579.1776204313. The cubic root of 2660411564 is about 1385.6374383349.

The spelling of 2660411564 in words is "two billion, six hundred sixty million, four hundred eleven thousand, five hundred sixty-four".