18116581053150 has 48 divisors (see below), whose sum is σ = 49921245572400. Its totient is φ = 4831088280480.

The previous prime is 18116581053149. The next prime is 18116581053169. The reversal of 18116581053150 is 5135018561181.

18116581053150 is a `hidden beast` number, since 1 + 8 + 1 + 1 + 6 + 58 + 10 + 531 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 18116581053096 and 18116581053105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6709843485 + ... + 6709846184.

It is an arithmetic number, because the mean of its divisors is an integer number (1040025949425).

Almost surely, 2^{18116581053150} is an apocalyptic number.

18116581053150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18116581053150 is an abundant number, since it is smaller than the sum of its proper divisors (31804664519250).

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

18116581053150 is a wasteful number, since it uses less digits than its factorization.

18116581053150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13419689690 (or 13419689679 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 45.

The spelling of 18116581053150 in words is "eighteen trillion, one hundred sixteen billion, five hundred eighty-one million, fifty-three thousand, one hundred fifty".