16670933 has 4 divisors (see below), whose sum is σ = 16709868. Its totient is φ = 16632000.

The previous prime is 16670881. The next prime is 16670939. The reversal of 16670933 is 33907661.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6980164 + 9690769 = 2642^2 + 3113^2 .

It is a cyclic number.

It is not a de Polignac number, because 16670933 - 2⁶ = 16670869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16670893 and 16670902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16670939) 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, 18818 + ... + 19683.

It is an arithmetic number, because the mean of its divisors is an integer number (4177467).

Almost surely, 2^16670933 is an apocalyptic number.

It is an amenable number.

16670933 is a deficient number, since it is larger than the sum of its proper divisors (38935).

16670933 is an equidigital number, since it uses as much as digits as its factorization.

16670933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38934.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 16670933 is about 4083.0053881914. The cubic root of 16670933 is about 255.4582711482.

The spelling of 16670933 in words is "sixteen million, six hundred seventy thousand, nine hundred thirty-three".