190996190 has 64 divisors (see below), whose sum is σ = 453869568. Its totient is φ = 56025600.

The previous prime is 190996181. The next prime is 190996199. The reversal of 190996190 is 91699091.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (190996181) and next prime (190996199).

It is a super-2 number, since 2×190996190² = 72959089189032200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190996199) 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 31 ways as a sum of consecutive naturals, for example, 5795 + ... + 20385.

It is an arithmetic number, because the mean of its divisors is an integer number (7091712).

Almost surely, 2^190996190 is an apocalyptic number.

190996190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190996190 is an abundant number, since it is smaller than the sum of its proper divisors (262873378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190996190 is a wasteful number, since it uses less digits than its factorization.

190996190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14633.

The product of its (nonzero) digits is 39366, while the sum is 44.

The square root of 190996190 is about 13820.1371194355. The cubic root of 190996190 is about 575.8926927642.

The spelling of 190996190 in words is "one hundred ninety million, nine hundred ninety-six thousand, one hundred ninety".