16677933 has 4 divisors (see below), whose sum is σ = 22237248. Its totient is φ = 11118620.

The previous prime is 16677931. The next prime is 16677979. The reversal of 16677933 is 33977661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33977661 = 3 ⋅11325887.

It is a cyclic number.

It is not a de Polignac number, because 16677933 - 2¹ = 16677931 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16677931) 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, 2779653 + ... + 2779658.

It is an arithmetic number, because the mean of its divisors is an integer number (5559312).

Almost surely, 2^16677933 is an apocalyptic number.

It is an amenable number.

16677933 is a deficient number, since it is larger than the sum of its proper divisors (5559315).

16677933 is an equidigital number, since it uses as much as digits as its factorization.

16677933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5559314.

The product of its digits is 142884, while the sum is 42.

The square root of 16677933 is about 4083.8625099286. The cubic root of 16677933 is about 255.4940211504.

The spelling of 16677933 in words is "sixteen million, six hundred seventy-seven thousand, nine hundred thirty-three".