191360 has 64 divisors (see below), whose sum is σ = 514080. Its totient is φ = 67584.

The previous prime is 191353. The next prime is 191413. The reversal of 191360 is 63191.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

191360 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8309 + ... + 8331.

2¹⁹¹³⁶⁰ is an apocalyptic number.

191360 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 191360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257040).

191360 is an abundant number, since it is smaller than the sum of its proper divisors (322720).

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

191360 is a wasteful number, since it uses less digits than its factorization.

191360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 191360 is about 437.4471396638. The cubic root of 191360 is about 57.6258114770.

The spelling of 191360 in words is "one hundred ninety-one thousand, three hundred sixty".