190711228680 has 256 divisors, whose sum is σ = 727385702400. Its totient is φ = 43539137280.

The previous prime is 190711228663. The next prime is 190711228709. The reversal of 190711228680 is 86822117091.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6509665 + ... + 6538895.

It is an arithmetic number, because the mean of its divisors is an integer number (2841350400).

Almost surely, 2^190711228680 is an apocalyptic number.

190711228680 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 190711228680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363692851200).

190711228680 is an abundant number, since it is smaller than the sum of its proper divisors (536674473720).

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

190711228680 is a wasteful number, since it uses less digits than its factorization.

190711228680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30121 (or 30111 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 190711228680 in words is "one hundred ninety billion, seven hundred eleven million, two hundred twenty-eight thousand, six hundred eighty".