18516050 has 24 divisors (see below), whose sum is σ = 39360576. Its totient is φ = 6348240.

The previous prime is 18516049. The next prime is 18516059. The reversal of 18516050 is 5061581.

It is not an unprimeable number, because it can be changed into a prime (18516059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26102 + ... + 26801.

It is an arithmetic number, because the mean of its divisors is an integer number (1640024).

Almost surely, 2^18516050 is an apocalyptic number.

18516050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18516050 is an abundant number, since it is smaller than the sum of its proper divisors (20844526).

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

18516050 is a wasteful number, since it uses less digits than its factorization.

18516050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52922 (or 52917 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 18516050 is about 4303.0280036272. The cubic root of 18516050 is about 264.5550858856. Note that the first 3 decimals are identical.

The spelling of 18516050 in words is "eighteen million, five hundred sixteen thousand, fifty".