16164522 has 80 divisors (see below), whose sum is σ = 40563072. Its totient is φ = 4769280.

The previous prime is 16164509. The next prime is 16164527. The reversal of 16164522 is 22546161.

16164522 is a `hidden beast` number, since 1 + 616 + 45 + 2 + 2 = 666.

It is a super-2 number, since 2×16164522² = 522583542976968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16164527) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 83658 + ... + 83850.

Almost surely, 2^16164522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16164522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20281536).

16164522 is an abundant number, since it is smaller than the sum of its proper divisors (24398550).

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

16164522 is a wasteful number, since it uses less digits than its factorization.

16164522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 256 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 16164522 is about 4020.5126538789. The cubic root of 16164522 is about 252.8449528329.

The spelling of 16164522 in words is "sixteen million, one hundred sixty-four thousand, five hundred twenty-two".