188669448050 has 72 divisors (see below), whose sum is σ = 370701179856. Its totient is φ = 71431296480.

The previous prime is 188669448043. The next prime is 188669448103. The reversal of 188669448050 is 50844966881.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23154077 + ... + 23162223.

It is an arithmetic number, because the mean of its divisors is an integer number (5148627498).

Almost surely, 2^188669448050 is an apocalyptic number.

188669448050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188669448050 is a deficient number, since it is larger than the sum of its proper divisors (182031731806).

188669448050 is a wasteful number, since it uses less digits than its factorization.

188669448050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9480 (or 9456 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 59.

The spelling of 188669448050 in words is "one hundred eighty-eight billion, six hundred sixty-nine million, four hundred forty-eight thousand, fifty".