16683081 has 8 divisors (see below), whose sum is σ = 22274784. Its totient is φ = 11106720.

The previous prime is 16683077. The next prime is 16683151. The reversal of 16683081 is 18038661.

16683081 is digitally balanced in base 2 and base 4, because in such bases 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 not a de Polignac number, because 16683081 - 2² = 16683077 is a prime.

It is a super-2 number, since 2×16683081² = 556650383305122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16683061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996 + ... + 5861.

It is an arithmetic number, because the mean of its divisors is an integer number (2784348).

Almost surely, 2^16683081 is an apocalyptic number.

It is an amenable number.

16683081 is a deficient number, since it is larger than the sum of its proper divisors (5591703).

16683081 is an equidigital number, since it uses as much as digits as its factorization.

16683081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7671.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 16683081 is about 4084.4927469638. The cubic root of 16683081 is about 255.5203063404.

The spelling of 16683081 in words is "sixteen million, six hundred eighty-three thousand, eighty-one".