16622964 has 36 divisors (see below), whose sum is σ = 42436576. Its totient is φ = 5485968.

The previous prime is 16622959. The next prime is 16622989. The reversal of 16622964 is 46922661.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 1467 + ... + 5949.

Almost surely, 2^16622964 is an apocalyptic number.

It is an amenable number.

16622964 is an abundant number, since it is smaller than the sum of its proper divisors (25813612).

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

16622964 is a wasteful number, since it uses less digits than its factorization.

16622964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596 (or 4591 counting only the distinct ones).

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

The square root of 16622964 is about 4077.1269295915. The cubic root of 16622964 is about 255.2130169295.

The spelling of 16622964 in words is "sixteen million, six hundred twenty-two thousand, nine hundred sixty-four".