3165412644 has 27 divisors (see below), whose sum is σ = 8002313137. Its totient is φ = 1055025024.

The previous prime is 3165412637. The next prime is 3165412661. The reversal of 3165412644 is 4462145613.

The square root of 3165412644 is 56262.

It is a perfect power (a square), and thus also a powerful number.

3165412644 is a `hidden beast` number, since 3 + 1 + 6 + 5 + 4 + 1 + 2 + 644 = 666.

3165412644 is digitally balanced in base 2 and base 4, because in such bases 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., 347076900 + 2818335744 = 18630^2 + 53088^2 .

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3165412599 and 3165412608.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 332884 + ... + 342260.

Almost surely, 2^3165412644 is an apocalyptic number.

3165412644 is the 56262-nd square number.

It is an amenable number.

3165412644 is an abundant number, since it is smaller than the sum of its proper divisors (4836900493).

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

3165412644 is an frugal number, since it uses more digits than its factorization.

3165412644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18764 (or 9382 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The cubic root of 3165412644 is about 1468.2841509561.

Multiplying 3165412644 by its sum of digits (36), we get a square (113954855184 = 337572²).

3165412644 divided by its sum of digits (36) gives a square (87928129 = 9377²).

The spelling of 3165412644 in words is "three billion, one hundred sixty-five million, four hundred twelve thousand, six hundred forty-four".