189170676 has 72 divisors (see below), whose sum is σ = 509693184. Its totient is φ = 59019840.

The previous prime is 189170671. The next prime is 189170689. The reversal of 189170676 is 676071981.

189170676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189170671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36486 + ... + 41346.

It is an arithmetic number, because the mean of its divisors is an integer number (7079072).

Almost surely, 2^189170676 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 189170676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254846592).

189170676 is an abundant number, since it is smaller than the sum of its proper divisors (320522508).

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

189170676 is a wasteful number, since it uses less digits than its factorization.

189170676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941 (or 4936 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 189170676 is about 13753.9331102052. The cubic root of 189170676 is about 574.0520496533.

The spelling of 189170676 in words is "one hundred eighty-nine million, one hundred seventy thousand, six hundred seventy-six".