189582066 has 16 divisors (see below), whose sum is σ = 421293600. Its totient is φ = 63194004.

The previous prime is 189582049. The next prime is 189582097. The reversal of 189582066 is 660285981.

189582066 is a `hidden beast` number, since 1 + 8 + 9 + 582 + 0 + 66 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1755336 + ... + 1755443.

It is an arithmetic number, because the mean of its divisors is an integer number (26330850).

Almost surely, 2^189582066 is an apocalyptic number.

189582066 is an abundant number, since it is smaller than the sum of its proper divisors (231711534).

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

189582066 is a wasteful number, since it uses less digits than its factorization.

189582066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510790 (or 3510784 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 189582066 is about 13768.8803466368. The cubic root of 189582066 is about 574.4678792313.

The spelling of 189582066 in words is "one hundred eighty-nine million, five hundred eighty-two thousand, sixty-six".