190566089 has 8 divisors (see below), whose sum is σ = 217898688. Its totient is φ = 163260720.

The previous prime is 190566049. The next prime is 190566113. The reversal of 190566089 is 980665091.

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

It is a de Polignac number, because none of the positive numbers 2^k-190566089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (190566049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11474 + ... + 22644.

It is an arithmetic number, because the mean of its divisors is an integer number (27237336).

Almost surely, 2^190566089 is an apocalyptic number.

It is an amenable number.

190566089 is a deficient number, since it is larger than the sum of its proper divisors (27332599).

190566089 is a wasteful number, since it uses less digits than its factorization.

190566089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13615.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 190566089 is about 13804.5676860958. The cubic root of 190566089 is about 575.4600869611.

The spelling of 190566089 in words is "one hundred ninety million, five hundred sixty-six thousand, eighty-nine".