189160920 has 224 divisors, whose sum is σ = 688590000. Its totient is φ = 46469376.

The previous prime is 189160919. The next prime is 189160931. The reversal of 189160920 is 29061981.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 378831 + ... + 379329.

Almost surely, 2^189160920 is an apocalyptic number.

189160920 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 189160920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344295000).

189160920 is an abundant number, since it is smaller than the sum of its proper divisors (499429080).

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

189160920 is a wasteful number, since it uses less digits than its factorization.

189160920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 189160920 is about 13753.5784434452. The cubic root of 189160920 is about 574.0421810552.

The spelling of 189160920 in words is "one hundred eighty-nine million, one hundred sixty thousand, nine hundred twenty".