16906983 has 4 divisors (see below), whose sum is σ = 22542648. Its totient is φ = 11271320.

The previous prime is 16906973. The next prime is 16907057. The reversal of 16906983 is 38960961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16906983 - 2⁵ = 16906951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16906933) 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, 2817828 + ... + 2817833.

It is an arithmetic number, because the mean of its divisors is an integer number (5635662).

Almost surely, 2^16906983 is an apocalyptic number.

16906983 is a deficient number, since it is larger than the sum of its proper divisors (5635665).

16906983 is an equidigital number, since it uses as much as digits as its factorization.

16906983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5635664.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 16906983 is about 4111.8101853077. The cubic root of 16906983 is about 256.6583346558.

The spelling of 16906983 in words is "sixteen million, nine hundred six thousand, nine hundred eighty-three".