2506650164 has 48 divisors (see below), whose sum is σ = 4717440000. Its totient is φ = 1161855072.

The previous prime is 2506650151. The next prime is 2506650191. The reversal of 2506650164 is 4610566052.

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, 1070507 + ... + 1072845.

It is an arithmetic number, because the mean of its divisors is an integer number (98280000).

Almost surely, 2^2506650164 is an apocalyptic number.

It is an amenable number.

2506650164 is a deficient number, since it is larger than the sum of its proper divisors (2210789836).

2506650164 is a wasteful number, since it uses less digits than its factorization.

2506650164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660 (or 2658 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 2506650164 is about 50066.4574740414. The cubic root of 2506650164 is about 1358.4111642992.

The spelling of 2506650164 in words is "two billion, five hundred six million, six hundred fifty thousand, one hundred sixty-four".