2125623168 has 64 divisors (see below), whose sum is σ = 6273550800. Its totient is φ = 708539904.

The previous prime is 2125623163. The next prime is 2125623191. The reversal of 2125623168 is 8613265212.

2125623168 is a `hidden beast` number, since 2 + 1 + 2 + 562 + 31 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125623163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304071 + ... + 310982.

Almost surely, 2^2125623168 is an apocalyptic number.

It is an amenable number.

2125623168 is an abundant number, since it is smaller than the sum of its proper divisors (4147927632).

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

2125623168 is an equidigital number, since it uses as much as digits as its factorization.

2125623168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615076 (or 615058 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2125623168 is about 46104.4809969703. The cubic root of 2125623168 is about 1285.7664568036.

The spelling of 2125623168 in words is "two billion, one hundred twenty-five million, six hundred twenty-three thousand, one hundred sixty-eight".