188283214728 has 384 divisors, whose sum is σ = 615525580800. Its totient is φ = 50867481600.

The previous prime is 188283214711. The next prime is 188283214729. The reversal of 188283214728 is 827412382881.

188283214728 is a `hidden beast` number, since 1 + 88 + 283 + 214 + 72 + 8 = 666.

It is a super-2 number, since 2×188283214728² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (188283214729) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 127131748 + ... + 127133228.

It is an arithmetic number, because the mean of its divisors is an integer number (1602931200).

Almost surely, 2^188283214728 is an apocalyptic number.

188283214728 is a gapful number since it is divisible by the number (18) 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 188283214728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307762790400).

188283214728 is an abundant number, since it is smaller than the sum of its proper divisors (427242366072).

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

188283214728 is a wasteful number, since it uses less digits than its factorization.

188283214728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713 (or 1706 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 54.

The spelling of 188283214728 in words is "one hundred eighty-eight billion, two hundred eighty-three million, two hundred fourteen thousand, seven hundred twenty-eight".