3625619616 has 60 divisors (see below), whose sum is σ = 10662854202. Its totient is φ = 1208539008.

The previous prime is 3625619609. The next prime is 3625619617. The reversal of 3625619616 is 6169165263.

3625619616 is a `hidden beast` number, since 3 + 6 + 25 + 6 + 1 + 9 + 616 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3069603216 + 556016400 = 55404^2 + 23580^2 .

It is not an unprimeable number, because it can be changed into a prime (3625619617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 696795 + ... + 701978.

Almost surely, 2^3625619616 is an apocalyptic number.

3625619616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3625619616 is an abundant number, since it is smaller than the sum of its proper divisors (7037234586).

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

3625619616 is a wasteful number, since it uses less digits than its factorization.

3625619616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398795 (or 1398778 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 3625619616 is about 60213.1183049010. The cubic root of 3625619616 is about 1536.2459323008.

The spelling of 3625619616 in words is "three billion, six hundred twenty-five million, six hundred nineteen thousand, six hundred sixteen".