16699089 has 24 divisors (see below), whose sum is σ = 24706080. Its totient is φ = 10024960.

The previous prime is 16699087. The next prime is 16699091. The reversal of 16699089 is 98099661.

It is an interprime number because it is at equal distance from previous prime (16699087) and next prime (16699091).

It is not a de Polignac number, because 16699089 - 2¹ = 16699087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16699087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64849 + ... + 65105.

It is an arithmetic number, because the mean of its divisors is an integer number (1029420).

Almost surely, 2^16699089 is an apocalyptic number.

It is an amenable number.

16699089 is a deficient number, since it is larger than the sum of its proper divisors (8006991).

16699089 is a wasteful number, since it uses less digits than its factorization.

16699089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 16699089 is about 4086.4518839698. The cubic root of 16699089 is about 255.6020071061.

The spelling of 16699089 in words is "sixteen million, six hundred ninety-nine thousand, eighty-nine".