18116950 has 12 divisors (see below), whose sum is σ = 33697620. Its totient is φ = 7246760.

The previous prime is 18116933. The next prime is 18116963. The reversal of 18116950 is 5961181.

It is a congruent number.

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, 181120 + ... + 181219.

It is an arithmetic number, because the mean of its divisors is an integer number (2808135).

Almost surely, 2^18116950 is an apocalyptic number.

18116950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18116950 is a deficient number, since it is larger than the sum of its proper divisors (15580670).

18116950 is a wasteful number, since it uses less digits than its factorization.

18116950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362351 (or 362346 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 18116950 is about 4256.4010619301. The cubic root of 18116950 is about 262.6404992384.

The spelling of 18116950 in words is "eighteen million, one hundred sixteen thousand, nine hundred fifty".