16452864 has 108 divisors (see below), whose sum is σ = 48972196. Its totient is φ = 5308416.

The previous prime is 16452851. The next prime is 16452881. The reversal of 16452864 is 46825461.

16452864 is a `hidden beast` number, since 1 + 645 + 2 + 8 + 6 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9734400 + 6718464 = 3120^2 + 2592^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85152 + ... + 85344.

Almost surely, 2^16452864 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 16452864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24486098).

16452864 is an abundant number, since it is smaller than the sum of its proper divisors (32519332).

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

16452864 is a wasteful number, since it uses less digits than its factorization.

16452864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 235 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 16452864 is about 4056.2130121580. The cubic root of 16452864 is about 254.3395133283.

The spelling of 16452864 in words is "sixteen million, four hundred fifty-two thousand, eight hundred sixty-four".