14921664 has 112 divisors (see below), whose sum is σ = 42915840. Its totient is φ = 4561920.

The previous prime is 14921653. The next prime is 14921671. The reversal of 14921664 is 46612941.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136842 + ... + 136950.

Almost surely, 2^14921664 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 14921664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21457920).

14921664 is an abundant number, since it is smaller than the sum of its proper divisors (27994176).

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

14921664 is a wasteful number, since it uses less digits than its factorization.

14921664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 168 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 14921664 is about 3862.8569737954. The cubic root of 14921664 is about 246.1911397021.

The spelling of 14921664 in words is "fourteen million, nine hundred twenty-one thousand, six hundred sixty-four".