3163325661 has 6 divisors (see below), whose sum is σ = 4569248190. Its totient is φ = 2108883768.

The previous prime is 3163325629. The next prime is 3163325701. The reversal of 3163325661 is 1665233613.

3163325661 is a `hidden beast` number, since 3 + 1 + 63 + 32 + 566 + 1 = 666.

3163325661 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 only one way, i.e., 2724213636 + 439112025 = 52194^2 + 20955^2 .

It is not a de Polignac number, because 3163325661 - 2⁵ = 3163325629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3163325611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175740306 + ... + 175740323.

It is an arithmetic number, because the mean of its divisors is an integer number (761541365).

Almost surely, 2^3163325661 is an apocalyptic number.

It is an amenable number.

3163325661 is a deficient number, since it is larger than the sum of its proper divisors (1405922529).

3163325661 is a wasteful number, since it uses less digits than its factorization.

3163325661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351480635 (or 351480632 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 3163325661 is about 56243.4499386373. The cubic root of 3163325661 is about 1467.9613960118.

The spelling of 3163325661 in words is "three billion, one hundred sixty-three million, three hundred twenty-five thousand, six hundred sixty-one".