16680190 has 8 divisors (see below), whose sum is σ = 30024360. Its totient is φ = 6672072.

The previous prime is 16680163. The next prime is 16680199. The reversal of 16680190 is 9108661.

It is a happy number.

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

It is a super-2 number, since 2×16680190² = 556457476872200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16680199) 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, 834000 + ... + 834019.

It is an arithmetic number, because the mean of its divisors is an integer number (3753045).

Almost surely, 2^16680190 is an apocalyptic number.

16680190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16680190 is a deficient number, since it is larger than the sum of its proper divisors (13344170).

16680190 is a wasteful number, since it uses less digits than its factorization.

16680190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668026.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 16680190 is about 4084.1388321163. The cubic root of 16680190 is about 255.5055458398.

The spelling of 16680190 in words is "sixteen million, six hundred eighty thousand, one hundred ninety".