2560502164 has 48 divisors (see below), whose sum is σ = 5057740800. Its totient is φ = 1123682400.

The previous prime is 2560502129. The next prime is 2560502171. The reversal of 2560502164 is 4612050652.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

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, 651397 + ... + 655315.

It is an arithmetic number, because the mean of its divisors is an integer number (105369600).

Almost surely, 2^2560502164 is an apocalyptic number.

It is an amenable number.

2560502164 is a deficient number, since it is larger than the sum of its proper divisors (2497238636).

2560502164 is a wasteful number, since it uses less digits than its factorization.

2560502164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444 (or 4442 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2560502164 is about 50601.4047631091. The cubic root of 2560502164 is about 1368.0701981977.

The spelling of 2560502164 in words is "two billion, five hundred sixty million, five hundred two thousand, one hundred sixty-four".