191080192 has 36 divisors (see below), whose sum is σ = 389553696. Its totient is φ = 93501440.

The previous prime is 191080171. The next prime is 191080199. The reversal of 191080192 is 291080191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191080199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4092 + ... + 19972.

It is an arithmetic number, because the mean of its divisors is an integer number (10820936).

Almost surely, 2^191080192 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 191080192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194776848).

191080192 is an abundant number, since it is smaller than the sum of its proper divisors (198473504).

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

191080192 is an equidigital number, since it uses as much as digits as its factorization.

191080192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15944 (or 15930 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 191080192 is about 13823.1759013622. The cubic root of 191080192 is about 575.9771081437.

Subtracting 191080192 from its reverse (291080191), we obtain a palindrome (99999999).

The spelling of 191080192 in words is "one hundred ninety-one million, eighty thousand, one hundred ninety-two".