16322106564 has 81 divisors (see below), whose sum is σ = 41858194287. Its totient is φ = 5362769808.

The previous prime is 16322106533. The next prime is 16322106583. The reversal of 16322106564 is 46560122361.

The square root of 16322106564 is 127758.

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

16322106564 is a `hidden beast` number, since 1 + 63 + 22 + 10 + 6 + 564 = 666.

It is a super-2 number, since 2×16322106564² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 82020537 + ... + 82020735.

Almost surely, 2^16322106564 is an apocalyptic number.

16322106564 is the 127758-th square number.

It is an amenable number.

16322106564 is an abundant number, since it is smaller than the sum of its proper divisors (25536087723).

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

16322106564 is a wasteful number, since it uses less digits than its factorization.

16322106564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Multiplying 16322106564 by its sum of digits (36), we get a square (587595836304 = 766548²).

16322106564 divided by its sum of digits (36) gives a square (453391849 = 21293²).

The spelling of 16322106564 in words is "sixteen billion, three hundred twenty-two million, one hundred six thousand, five hundred sixty-four".