189112266 has 48 divisors (see below), whose sum is σ = 488868480. Its totient is φ = 54031320.

The previous prime is 189112243. The next prime is 189112331. The reversal of 189112266 is 662211981.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 189112266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33090 + ... + 38381.

It is an arithmetic number, because the mean of its divisors is an integer number (10184760).

Almost surely, 2^189112266 is an apocalyptic number.

189112266 is an abundant number, since it is smaller than the sum of its proper divisors (299756214).

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

189112266 is a wasteful number, since it uses less digits than its factorization.

189112266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71496 (or 71483 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 189112266 is about 13751.8095536551. The cubic root of 189112266 is about 573.9929604530.

The spelling of 189112266 in words is "one hundred eighty-nine million, one hundred twelve thousand, two hundred sixty-six".