16242864 has 40 divisors (see below), whose sum is σ = 45776832. Its totient is φ = 4921920.

The previous prime is 16242841. The next prime is 16242869. The reversal of 16242864 is 46824261.

It is a Harshad number since it is a multiple of its sum of digits (33).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16242869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14854 + ... + 15909.

Almost surely, 2^16242864 is an apocalyptic number.

It is an amenable number.

16242864 is an abundant number, since it is smaller than the sum of its proper divisors (29533968).

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

16242864 is a wasteful number, since it uses less digits than its factorization.

16242864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30785 (or 30779 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 16242864 is about 4030.2436650902. The cubic root of 16242864 is about 253.2527690880.

The spelling of 16242864 in words is "sixteen million, two hundred forty-two thousand, eight hundred sixty-four".