16338864 has 20 divisors (see below), whose sum is σ = 42208856. Its totient is φ = 5446272.

The previous prime is 16338863. The next prime is 16338877. The reversal of 16338864 is 46883361.

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

It is not an unprimeable number, because it can be changed into a prime (16338863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170149 + ... + 170244.

Almost surely, 2^16338864 is an apocalyptic number.

It is an amenable number.

16338864 is an abundant number, since it is smaller than the sum of its proper divisors (25869992).

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

16338864 is a wasteful number, since it uses less digits than its factorization.

16338864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340404 (or 340398 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 16338864 is about 4042.1360689616. The cubic root of 16338864 is about 253.7507216041.

The spelling of 16338864 in words is "sixteen million, three hundred thirty-eight thousand, eight hundred sixty-four".