16542864 has 60 divisors (see below), whose sum is σ = 49863996. Its totient is φ = 5089536.

The previous prime is 16542859. The next prime is 16542881. The reversal of 16542864 is 46824561.

16542864 = 17² + 18² + ... + 367².

16542864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11289600 + 5253264 = 3360^2 + 2292^2 .

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

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, 2547 + ... + 6290.

Almost surely, 2^16542864 is an apocalyptic number.

It is an amenable number.

16542864 is an abundant number, since it is smaller than the sum of its proper divisors (33321132).

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

16542864 is a wasteful number, since it uses less digits than its factorization.

16542864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8864 (or 8855 counting only the distinct ones).

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

The square root of 16542864 is about 4067.2919737830. The cubic root of 16542864 is about 254.8024305880.

The spelling of 16542864 in words is "sixteen million, five hundred forty-two thousand, eight hundred sixty-four".