188214082155 has 96 divisors (see below), whose sum is σ = 370023413760. Its totient is φ = 87675264000.

The previous prime is 188214082123. The next prime is 188214082159. The reversal of 188214082155 is 551280412881.

188214082155 is a `hidden beast` number, since 1 + 8 + 8 + 21 + 408 + 215 + 5 = 666.

It is not a de Polignac number, because 188214082155 - 2⁵ = 188214082123 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 188214082155.

It is not an unprimeable number, because it can be changed into a prime (188214082159) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2088835 + ... + 2177075.

It is an arithmetic number, because the mean of its divisors is an integer number (3854410560).

Almost surely, 2^188214082155 is an apocalyptic number.

188214082155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

188214082155 is a deficient number, since it is larger than the sum of its proper divisors (181809331605).

188214082155 is a wasteful number, since it uses less digits than its factorization.

188214082155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88433 (or 88430 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 45.

The spelling of 188214082155 in words is "one hundred eighty-eight billion, two hundred fourteen million, eighty-two thousand, one hundred fifty-five".