18085178150 has 24 divisors (see below), whose sum is σ = 36226004304. Its totient is φ = 6677604000.

The previous prime is 18085178147. The next prime is 18085178159. The reversal of 18085178150 is 5187158081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18085178159) 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, 13911026 + ... + 13912325.

It is an arithmetic number, because the mean of its divisors is an integer number (1509416846).

Almost surely, 2^18085178150 is an apocalyptic number.

18085178150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18085178150 is an abundant number, since it is smaller than the sum of its proper divisors (18140826154).

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

18085178150 is a wasteful number, since it uses less digits than its factorization.

18085178150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27823376 (or 27823371 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 44.

The spelling of 18085178150 in words is "eighteen billion, eighty-five million, one hundred seventy-eight thousand, one hundred fifty".