16664964 has 48 divisors (see below), whose sum is σ = 41521536. Its totient is φ = 5184000.

The previous prime is 16664953. The next prime is 16665001. The reversal of 16664964 is 46946661.

16664964 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30534 + ... + 31074.

It is an arithmetic number, because the mean of its divisors is an integer number (865032).

Almost surely, 2^16664964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16664964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20760768).

16664964 is an abundant number, since it is smaller than the sum of its proper divisors (24856572).

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

16664964 is a wasteful number, since it uses less digits than its factorization.

16664964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 714 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 16664964 is about 4082.2743660857. The cubic root of 16664964 is about 255.4277787048.

The spelling of 16664964 in words is "sixteen million, six hundred sixty-four thousand, nine hundred sixty-four".