18119016 has 24 divisors (see below), whose sum is σ = 49072530. Its totient is φ = 6039648.

The previous prime is 18118979. The next prime is 18119041. The reversal of 18119016 is 61091181.

It can be written as a sum of positive squares in only one way, i.e., 18096516 + 22500 = 4254^2 + 150^2 .

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

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125755 + ... + 125898.

Almost surely, 2^18119016 is an apocalyptic number.

It is an amenable number.

18119016 is an abundant number, since it is smaller than the sum of its proper divisors (30953514).

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

18119016 is a wasteful number, since it uses less digits than its factorization.

18119016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251665 (or 251658 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The square root of 18119016 is about 4256.6437483069. The cubic root of 18119016 is about 262.6504824245.

The spelling of 18119016 in words is "eighteen million, one hundred nineteen thousand, sixteen".