189498165 has 8 divisors (see below), whose sum is σ = 303197088. Its totient is φ = 101065680.

The previous prime is 189498163. The next prime is 189498217. The reversal of 189498165 is 561894981.

189498165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 189498165 - 2¹ = 189498163 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189498163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6316591 + ... + 6316620.

It is an arithmetic number, because the mean of its divisors is an integer number (37899636).

Almost surely, 2^189498165 is an apocalyptic number.

189498165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189498165 is a deficient number, since it is larger than the sum of its proper divisors (113698923).

189498165 is a wasteful number, since it uses less digits than its factorization.

189498165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12633219.

The product of its digits is 622080, while the sum is 51.

The square root of 189498165 is about 13765.8332475735. The cubic root of 189498165 is about 574.3831216687.

The spelling of 189498165 in words is "one hundred eighty-nine million, four hundred ninety-eight thousand, one hundred sixty-five".