16669075 has 12 divisors (see below), whose sum is σ = 20729080. Its totient is φ = 13296960.

The previous prime is 16669073. The next prime is 16669091. The reversal of 16669075 is 57096661.

It is not a de Polignac number, because 16669075 - 2¹ = 16669073 is a prime.

It is a super-2 number, since 2×16669075² = 555716122711250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16669073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10696 + ... + 12154.

Almost surely, 2^16669075 is an apocalyptic number.

16669075 is a deficient number, since it is larger than the sum of its proper divisors (4060005).

16669075 is a wasteful number, since it uses less digits than its factorization.

16669075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926 (or 1921 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 16669075 is about 4082.7778533739. Note that the first 3 decimals coincide. The cubic root of 16669075 is about 255.4487803956.

The spelling of 16669075 in words is "sixteen million, six hundred sixty-nine thousand, seventy-five".