188748146804 has 72 divisors (see below), whose sum is σ = 389240383392. Its totient is φ = 79844304960.

The previous prime is 188748146803. The next prime is 188748146827. The reversal of 188748146804 is 408641847881.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188748146801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5792999 + ... + 5825489.

It is an arithmetic number, because the mean of its divisors is an integer number (5406116436).

Almost surely, 2^188748146804 is an apocalyptic number.

188748146804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188748146804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194620191696).

188748146804 is an abundant number, since it is smaller than the sum of its proper divisors (200492236588).

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

188748146804 is a wasteful number, since it uses less digits than its factorization.

188748146804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32893 (or 32884 counting only the distinct ones).

The product of its (nonzero) digits is 11010048, while the sum is 59.

The spelling of 188748146804 in words is "one hundred eighty-eight billion, seven hundred forty-eight million, one hundred forty-six thousand, eight hundred four".