189162000 has 320 divisors, whose sum is σ = 705669120. Its totient is φ = 48384000.

The previous prime is 189161993. The next prime is 189162013. The reversal of 189162000 is 261981.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1673944 + ... + 1674056.

It is an arithmetic number, because the mean of its divisors is an integer number (2205216).

Almost surely, 2^189162000 is an apocalyptic number.

189162000 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 189162000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352834560).

189162000 is an abundant number, since it is smaller than the sum of its proper divisors (516507120).

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

189162000 is a wasteful number, since it uses less digits than its factorization.

189162000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 189162000 is about 13753.6177058983. The cubic root of 189162000 is about 574.0432735367.

The spelling of 189162000 in words is "one hundred eighty-nine million, one hundred sixty-two thousand".