190996189 has 8 divisors (see below), whose sum is σ = 202634240. Its totient is φ = 179516736.

The previous prime is 190996181. The next prime is 190996199. The reversal of 190996189 is 981699091.

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

It is a cyclic number.

It is not a de Polignac number, because 190996189 - 2³ = 190996181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190996181) 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, 37164 + ... + 41989.

It is an arithmetic number, because the mean of its divisors is an integer number (25329280).

Almost surely, 2^190996189 is an apocalyptic number.

190996189 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

190996189 is a deficient number, since it is larger than the sum of its proper divisors (11638051).

190996189 is a wasteful number, since it uses less digits than its factorization.

190996189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79299.

The product of its (nonzero) digits is 314928, while the sum is 52.

The square root of 190996189 is about 13820.1370832564. The cubic root of 190996189 is about 575.8926917591.

The spelling of 190996189 in words is "one hundred ninety million, nine hundred ninety-six thousand, one hundred eighty-nine".