16889627 has 4 divisors (see below), whose sum is σ = 16919880. Its totient is φ = 16859376.

The previous prime is 16889617. The next prime is 16889633. The reversal of 16889627 is 72698861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72698861 = 647 ⋅112363.

It is a cyclic number.

It is not a de Polignac number, because 16889627 - 2⁸ = 16889371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16889617) 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, 14273 + ... + 15410.

It is an arithmetic number, because the mean of its divisors is an integer number (4229970).

Almost surely, 2^16889627 is an apocalyptic number.

16889627 is a deficient number, since it is larger than the sum of its proper divisors (30253).

16889627 is an equidigital number, since it uses as much as digits as its factorization.

16889627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30252.

The product of its digits is 290304, while the sum is 47.

The square root of 16889627 is about 4109.6991374065. The cubic root of 16889627 is about 256.5704796905.

The spelling of 16889627 in words is "sixteen million, eight hundred eighty-nine thousand, six hundred twenty-seven".