16885069 has 4 divisors (see below), whose sum is σ = 16894240. Its totient is φ = 16875900.

The previous prime is 16885051. The next prime is 16885073. The reversal of 16885069 is 96058861.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 96058861 = 43 ⋅2233927.

It is a cyclic number.

It is not a de Polignac number, because 16885069 - 2⁹ = 16884557 is a prime.

It is a super-2 number, since 2×16885069² = 570211110269522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16885019) 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, 759 + ... + 5860.

It is an arithmetic number, because the mean of its divisors is an integer number (4223560).

Almost surely, 2^16885069 is an apocalyptic number.

It is an amenable number.

16885069 is a deficient number, since it is larger than the sum of its proper divisors (9171).

16885069 is an equidigital number, since it uses as much as digits as its factorization.

16885069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9170.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 16885069 is about 4109.1445581775. The cubic root of 16885069 is about 256.5473974072.

The spelling of 16885069 in words is "sixteen million, eight hundred eighty-five thousand, sixty-nine".