2551650164 has 12 divisors (see below), whose sum is σ = 5103300384. Its totient is φ = 1093564344.

The previous prime is 2551650119. The next prime is 2551650197. The reversal of 2551650164 is 4610561552.

2551650164 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45565154 + ... + 45565209.

It is an arithmetic number, because the mean of its divisors is an integer number (425275032).

Almost surely, 2^2551650164 is an apocalyptic number.

It is an amenable number.

2551650164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2551650164 is a wasteful number, since it uses less digits than its factorization.

2551650164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91130374 (or 91130372 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 2551650164 is about 50513.8611076207. The cubic root of 2551650164 is about 1366.4918437756.

The spelling of 2551650164 in words is "two billion, five hundred fifty-one million, six hundred fifty thousand, one hundred sixty-four".