16421464 has 16 divisors (see below), whose sum is σ = 30834720. Its totient is φ = 8198880.

The previous prime is 16421459. The next prime is 16421477. The reversal of 16421464 is 46412461.

16421464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 7894 + ... + 9754.

It is an arithmetic number, because the mean of its divisors is an integer number (1927170).

Almost surely, 2^16421464 is an apocalyptic number.

It is an amenable number.

16421464 is a deficient number, since it is larger than the sum of its proper divisors (14413256).

16421464 is a wasteful number, since it uses less digits than its factorization.

16421464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970 (or 2966 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 16421464 is about 4052.3405582453. The cubic root of 16421464 is about 254.1776094665.

The spelling of 16421464 in words is "sixteen million, four hundred twenty-one thousand, four hundred sixty-four".