190816 has 24 divisors (see below), whose sum is σ = 385560. Its totient is φ = 92928.

The previous prime is 190811. The next prime is 190823. The reversal of 190816 is 618091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100 + ... + 2188.

It is an arithmetic number, because the mean of its divisors is an integer number (16065).

2¹⁹⁰⁸¹⁶ is an apocalyptic number.

190816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

190816 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

190816 is an equidigital number, since it uses as much as digits as its factorization.

190816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 190816 is about 436.8249077148. The cubic root of 190816 is about 57.5711532511.

The spelling of 190816 in words is "one hundred ninety thousand, eight hundred sixteen".