2125165600 has 36 divisors (see below), whose sum is σ = 5188062474. Its totient is φ = 850065920.

The previous prime is 2125165517. The next prime is 2125165613. The reversal of 2125165600 is 65615212.

It can be written as a sum of positive squares in 3 ways, for example, as 1814419216 + 310746384 = 42596^2 + 17628^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1327429 + ... + 1329028.

Almost surely, 2^2125165600 is an apocalyptic number.

2125165600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125165600 is an abundant number, since it is smaller than the sum of its proper divisors (3062896874).

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

2125165600 is a wasteful number, since it uses less digits than its factorization.

2125165600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656477 (or 2656464 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 2125165600 is about 46099.5184356626. The cubic root of 2125165600 is about 1285.6741908719.

The spelling of 2125165600 in words is "two billion, one hundred twenty-five million, one hundred sixty-five thousand, six hundred".