16676623 has 8 divisors (see below), whose sum is σ = 17596800. Its totient is φ = 15760728.

The previous prime is 16676617. The next prime is 16676629. The reversal of 16676623 is 32667661.

It is an interprime number because it is at equal distance from previous prime (16676617) and next prime (16676629).

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

It is a de Polignac number, because none of the positive numbers 2^k-16676623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16676629) 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 7 ways as a sum of consecutive naturals, for example, 9918 + ... + 11476.

It is an arithmetic number, because the mean of its divisors is an integer number (2199600).

Almost surely, 2^16676623 is an apocalyptic number.

16676623 is a deficient number, since it is larger than the sum of its proper divisors (920177).

16676623 is a wasteful number, since it uses less digits than its factorization.

16676623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141.

The product of its digits is 54432, while the sum is 37.

The square root of 16676623 is about 4083.7021194010. The cubic root of 16676623 is about 255.4873315538.

The spelling of 16676623 in words is "sixteen million, six hundred seventy-six thousand, six hundred twenty-three".