16664922 has 24 divisors (see below), whose sum is σ = 36343476. Its totient is φ = 5518656.

The previous prime is 16664897. The next prime is 16664933. The reversal of 16664922 is 22946661.

It can be written as a sum of positive squares in 2 ways, for example, as 16329681 + 335241 = 4041^2 + 579^2 .

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, 123 + ... + 5774.

Almost surely, 2^16664922 is an apocalyptic number.

16664922 is an abundant number, since it is smaller than the sum of its proper divisors (19678554).

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

16664922 is a wasteful number, since it uses less digits than its factorization.

16664922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6062 (or 6059 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 16664922 is about 4082.2692218912. The cubic root of 16664922 is about 255.4275641233.

The spelling of 16664922 in words is "sixteen million, six hundred sixty-four thousand, nine hundred twenty-two".