190165089 has 16 divisors (see below), whose sum is σ = 262950272. Its totient is φ = 122145408.

The previous prime is 190165069. The next prime is 190165109. The reversal of 190165089 is 980561091.

It is an interprime number because it is at equal distance from previous prime (190165069) and next prime (190165109).

It is not a de Polignac number, because 190165089 - 2⁵ = 190165057 is a prime.

It is a super-2 number, since 2×190165089² = 72325522148755842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (190165039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3117 + ... + 19749.

It is an arithmetic number, because the mean of its divisors is an integer number (16434392).

Almost surely, 2^190165089 is an apocalyptic number.

It is an amenable number.

190165089 is a deficient number, since it is larger than the sum of its proper divisors (72785183).

190165089 is a wasteful number, since it uses less digits than its factorization.

190165089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16776.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 190165089 is about 13790.0358592717. The cubic root of 190165089 is about 575.0561648981.

The spelling of 190165089 in words is "one hundred ninety million, one hundred sixty-five thousand, eighty-nine".