3123661604 has 36 divisors (see below), whose sum is σ = 6363132300. Its totient is φ = 1337817600.

The previous prime is 3123661571. The next prime is 3123661627. The reversal of 3123661604 is 4061663213.

3123661604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 131790400 + 2991871204 = 11480^2 + 54698^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348572 + ... + 357420.

It is an arithmetic number, because the mean of its divisors is an integer number (176753675).

Almost surely, 2^3123661604 is an apocalyptic number.

It is an amenable number.

3123661604 is an abundant number, since it is smaller than the sum of its proper divisors (3239470696).

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

3123661604 is a wasteful number, since it uses less digits than its factorization.

3123661604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10668 (or 10659 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 3123661604 is about 55889.7271777202. The cubic root of 3123661604 is about 1461.8001196410.

The spelling of 3123661604 in words is "three billion, one hundred twenty-three million, six hundred sixty-one thousand, six hundred four".