16220964 has 12 divisors (see below), whose sum is σ = 37848944. Its totient is φ = 5406984.

The previous prime is 16220951. The next prime is 16220977. The reversal of 16220964 is 46902261.

16220964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16220951) and next prime (16220977).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675862 + ... + 675885.

Almost surely, 2^16220964 is an apocalyptic number.

It is an amenable number.

16220964 is an abundant number, since it is smaller than the sum of its proper divisors (21627980).

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

16220964 is a wasteful number, since it uses less digits than its factorization.

16220964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351754 (or 1351752 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 16220964 is about 4027.5257913513. The cubic root of 16220964 is about 253.1388989777.

The spelling of 16220964 in words is "sixteen million, two hundred twenty thousand, nine hundred sixty-four".