2165482664 has 64 divisors (see below), whose sum is σ = 4294296000. Its totient is φ = 1022210560.

The previous prime is 2165482663. The next prime is 2165482673. The reversal of 2165482664 is 4662845612.

It is not an unprimeable number, because it can be changed into a prime (2165482663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3846047 + ... + 3846609.

It is an arithmetic number, because the mean of its divisors is an integer number (67098375).

Almost surely, 2^2165482664 is an apocalyptic number.

It is an amenable number.

2165482664 is a deficient number, since it is larger than the sum of its proper divisors (2128813336).

2165482664 is a wasteful number, since it uses less digits than its factorization.

2165482664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938 (or 934 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 2165482664 is about 46534.7468457711. The cubic root of 2165482664 is about 1293.7535974944.

The spelling of 2165482664 in words is "two billion, one hundred sixty-five million, four hundred eighty-two thousand, six hundred sixty-four".