188770222080 has 918 divisors, whose sum is σ = 751930996362. Its totient is φ = 43772805120.

The previous prime is 188770222073. The next prime is 188770222127. The reversal of 188770222080 is 80222077881.

It can be written as a sum of positive squares in only one way, i.e., 151016177664 + 37754044416 = 388608^2 + 194304^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 8207400949 + ... + 8207400971.

Almost surely, 2^188770222080 is an apocalyptic number.

188770222080 is a gapful number since it is divisible by the number (10) 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 188770222080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375965498181).

188770222080 is an abundant number, since it is smaller than the sum of its proper divisors (563160774282).

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

188770222080 is an equidigital number, since it uses as much as digits as its factorization.

188770222080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

Multiplying 188770222080 by its sum of digits (45), we get a square (8494659993600 = 2914560²).

188770222080 divided by its sum of digits (45) gives a square (4194893824 = 64768²).

The spelling of 188770222080 in words is "one hundred eighty-eight billion, seven hundred seventy million, two hundred twenty-two thousand, eighty".