2551500164 has 12 divisors (see below), whose sum is σ = 4531769424. Its totient is φ = 1256708904.

The previous prime is 2551500163. The next prime is 2551500173. The reversal of 2551500164 is 4610051552.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2551500163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4759994 + ... + 4760529.

It is an arithmetic number, because the mean of its divisors is an integer number (377647452).

Almost surely, 2^2551500164 is an apocalyptic number.

It is an amenable number.

2551500164 is a deficient number, since it is larger than the sum of its proper divisors (1980269260).

2551500164 is a wasteful number, since it uses less digits than its factorization.

2551500164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9520594 (or 9520592 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 2551500164 is about 50512.3763448128. The cubic root of 2551500164 is about 1366.4650666210.

The spelling of 2551500164 in words is "two billion, five hundred fifty-one million, five hundred thousand, one hundred sixty-four".