18081414186 has 32 divisors (see below), whose sum is σ = 40097094336. Its totient is φ = 5389392000.

The previous prime is 18081414179. The next prime is 18081414193. The reversal of 18081414186 is 68141418081.

It is an interprime number because it is at equal distance from previous prime (18081414179) and next prime (18081414193).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2241555 + ... + 2249606.

It is an arithmetic number, because the mean of its divisors is an integer number (1253034198).

Almost surely, 2^18081414186 is an apocalyptic number.

18081414186 is an abundant number, since it is smaller than the sum of its proper divisors (22015680150).

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

18081414186 is a wasteful number, since it uses less digits than its factorization.

18081414186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491238.

The product of its (nonzero) digits is 49152, while the sum is 42.

It can be divided in two parts, 180814 and 14186, that added together give a triangular number (195000 = T₆₂₄).

The spelling of 18081414186 in words is "eighteen billion, eighty-one million, four hundred fourteen thousand, one hundred eighty-six".