2506002164 has 24 divisors (see below), whose sum is σ = 4756735368. Its totient is φ = 1150530560.

The previous prime is 2506002133. The next prime is 2506002173. The reversal of 2506002164 is 4612006052.

It can be written as a sum of positive squares in 4 ways, for example, as 679123600 + 1826878564 = 26060^2 + 42742^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446639 + ... + 452214.

It is an arithmetic number, because the mean of its divisors is an integer number (198197307).

Almost surely, 2^2506002164 is an apocalyptic number.

It is an amenable number.

2506002164 is a deficient number, since it is larger than the sum of its proper divisors (2250733204).

2506002164 is a wasteful number, since it uses less digits than its factorization.

2506002164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898915 (or 898913 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2506002164 is about 50059.9856572093. The cubic root of 2506002164 is about 1358.2940988613.

The spelling of 2506002164 in words is "two billion, five hundred six million, two thousand, one hundred sixty-four".