8125664112 has 60 divisors (see below), whose sum is σ = 23729304144. Its totient is φ = 2590790400.

The previous prime is 8125664087. The next prime is 8125664143. The reversal of 8125664112 is 2114665218.

It is a happy number.

8125664112 is a `hidden beast` number, since 8 + 1 + 2 + 5 + 6 + 641 + 1 + 2 = 666.

It is a super-2 number, since 2×8125664112² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1223389 + ... + 1230012.

Almost surely, 2^8125664112 is an apocalyptic number.

It is an amenable number.

8125664112 is an abundant number, since it is smaller than the sum of its proper divisors (15603640032).

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

8125664112 is a wasteful number, since it uses less digits than its factorization.

8125664112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453438 (or 2453429 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 8125664112 is about 90142.4656418938. The cubic root of 8125664112 is about 2010.4176513864.

The spelling of 8125664112 in words is "eight billion, one hundred twenty-five million, six hundred sixty-four thousand, one hundred twelve".