18875016 has 24 divisors (see below), whose sum is σ = 51120030. Its totient is φ = 6291648.

The previous prime is 18874997. The next prime is 18875041. The reversal of 18875016 is 61057881.

It can be written as a sum of positive squares in only one way, i.e., 9548100 + 9326916 = 3090^2 + 3054^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131005 + ... + 131148.

Almost surely, 2^18875016 is an apocalyptic number.

It is an amenable number.

18875016 is an abundant number, since it is smaller than the sum of its proper divisors (32245014).

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

18875016 is a wasteful number, since it uses less digits than its factorization.

18875016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262165 (or 262158 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 18875016 is about 4344.5386406384. The cubic root of 18875016 is about 266.2537763136.

It can be divided in two parts, 1887 and 5016, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 18875016 in words is "eighteen million, eight hundred seventy-five thousand, sixteen".