188239683996 has 540 divisors, whose sum is σ = 656480075328. Its totient is φ = 46713977856.

The previous prime is 188239683971. The next prime is 188239683997. The reversal of 188239683996 is 699386932881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188239683997) by changing a digit.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 45609685 + ... + 45613811.

Almost surely, 2^188239683996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188239683996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328240037664).

188239683996 is an abundant number, since it is smaller than the sum of its proper divisors (468240391332).

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

188239683996 is a wasteful number, since it uses less digits than its factorization.

188239683996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200 (or 4169 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 72.

The spelling of 188239683996 in words is "one hundred eighty-eight billion, two hundred thirty-nine million, six hundred eighty-three thousand, nine hundred ninety-six".