18516082 has 8 divisors (see below), whose sum is σ = 29910636. Its totient is φ = 8545872.

The previous prime is 18516059. The next prime is 18516097. The reversal of 18516082 is 28061581.

It can be written as a sum of positive squares in 2 ways, for example, as 17214201 + 1301881 = 4149^2 + 1141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356053 + ... + 356104.

Almost surely, 2^18516082 is an apocalyptic number.

18516082 is a deficient number, since it is larger than the sum of its proper divisors (11394554).

18516082 is a wasteful number, since it uses less digits than its factorization.

18516082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712172.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 18516082 is about 4303.0317219375. The cubic root of 18516082 is about 264.5552382896. Note that the first 3 decimals are identical.

The spelling of 18516082 in words is "eighteen million, five hundred sixteen thousand, eighty-two".