189216675 has 24 divisors (see below), whose sum is σ = 347599280. Its totient is φ = 100915200.

The previous prime is 189216673. The next prime is 189216679. The reversal of 189216675 is 576612981.

It is not a de Polignac number, because 189216675 - 2¹ = 189216673 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 189216675.

It is not an unprimeable number, because it can be changed into a prime (189216673) 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, 139486 + ... + 140835.

Almost surely, 2^189216675 is an apocalyptic number.

189216675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189216675 is a deficient number, since it is larger than the sum of its proper divisors (158382605).

189216675 is a wasteful number, since it uses less digits than its factorization.

189216675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280340 (or 280329 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 189216675 is about 13755.6052211453. The cubic root of 189216675 is about 574.0985749759.

The spelling of 189216675 in words is "one hundred eighty-nine million, two hundred sixteen thousand, six hundred seventy-five".