188990984352 has 48 divisors (see below), whose sum is σ = 496159013952. Its totient is φ = 62989670400.

The previous prime is 188990984321. The next prime is 188990984363. The reversal of 188990984352 is 253489099881.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749328 + ... + 969264.

It is an arithmetic number, because the mean of its divisors is an integer number (10336646124).

Almost surely, 2^188990984352 is an apocalyptic number.

188990984352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

188990984352 is an abundant number, since it is smaller than the sum of its proper divisors (307168029600).

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

188990984352 is a wasteful number, since it uses less digits than its factorization.

188990984352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228901 (or 228893 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 66.

The spelling of 188990984352 in words is "one hundred eighty-eight billion, nine hundred ninety million, nine hundred eighty-four thousand, three hundred fifty-two".