190016838209 has 8 divisors (see below), whose sum is σ = 207297764352. Its totient is φ = 172737023440.

The previous prime is 190016838163. The next prime is 190016838247. The reversal of 190016838209 is 902838610091.

190016838209 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190016838209 is a prime.

It is a super-2 number, since 2×190016838209² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190016838259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102272 + ... + 624894.

It is an arithmetic number, because the mean of its divisors is an integer number (25912220544).

Almost surely, 2^190016838209 is an apocalyptic number.

It is an amenable number.

190016838209 is a deficient number, since it is larger than the sum of its proper divisors (17280926143).

190016838209 is a wasteful number, since it uses less digits than its factorization.

190016838209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555687.

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 190016838209 in words is "one hundred ninety billion, sixteen million, eight hundred thirty-eight thousand, two hundred nine".