18116046 has 24 divisors (see below), whose sum is σ = 42271320. Its totient is φ = 5574096.

The previous prime is 18116023. The next prime is 18116057. The reversal of 18116046 is 64061181.

It is a super-2 number, since 2×18116046² = 656382245348232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38476 + ... + 38943.

It is an arithmetic number, because the mean of its divisors is an integer number (1761305).

Almost surely, 2^18116046 is an apocalyptic number.

18116046 is an abundant number, since it is smaller than the sum of its proper divisors (24155274).

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

18116046 is a wasteful number, since it uses less digits than its factorization.

18116046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77440 (or 77437 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 18116046 is about 4256.2948676049. The cubic root of 18116046 is about 262.6361307518.

The spelling of 18116046 in words is "eighteen million, one hundred sixteen thousand, forty-six".