189922160 has 80 divisors (see below), whose sum is σ = 463631040. Its totient is φ = 72253440.

The previous prime is 189922093. The next prime is 189922163. The reversal of 189922160 is 61229981.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189922163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164144 + ... + 165296.

It is an arithmetic number, because the mean of its divisors is an integer number (5795388).

Almost surely, 2^189922160 is an apocalyptic number.

189922160 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 189922160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231815520).

189922160 is an abundant number, since it is smaller than the sum of its proper divisors (273708880).

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

189922160 is a wasteful number, since it uses less digits than its factorization.

189922160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266 (or 1260 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 189922160 is about 13781.2249092742. The cubic root of 189922160 is about 574.8111894255.

The spelling of 189922160 in words is "one hundred eighty-nine million, nine hundred twenty-two thousand, one hundred sixty".