3625661606 has 64 divisors (see below), whose sum is σ = 6773760000. Its totient is φ = 1451630880.

The previous prime is 3625661591. The next prime is 3625661657. The reversal of 3625661606 is 6061665263.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 613775 + ... + 619653.

It is an arithmetic number, because the mean of its divisors is an integer number (105840000).

Almost surely, 2^3625661606 is an apocalyptic number.

3625661606 is a deficient number, since it is larger than the sum of its proper divisors (3148098394).

3625661606 is a wasteful number, since it uses less digits than its factorization.

3625661606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5962 (or 5948 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 3625661606 is about 60213.4669820631. The cubic root of 3625661606 is about 1536.2518629393.

The spelling of 3625661606 in words is "three billion, six hundred twenty-five million, six hundred sixty-one thousand, six hundred six".