188639146150 has 48 divisors (see below), whose sum is σ = 431838548064. Its totient is φ = 59701178880.

The previous prime is 188639146127. The next prime is 188639146177. The reversal of 188639146150 is 51641936881.

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, 20725027 + ... + 20734126.

It is an arithmetic number, because the mean of its divisors is an integer number (8996636418).

Almost surely, 2^188639146150 is an apocalyptic number.

188639146150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188639146150 is an abundant number, since it is smaller than the sum of its proper divisors (243199401914).

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

188639146150 is a wasteful number, since it uses less digits than its factorization.

188639146150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41459185 (or 41459180 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 188639146150 in words is "one hundred eighty-eight billion, six hundred thirty-nine million, one hundred forty-six thousand, one hundred fifty".