16795989 has 12 divisors (see below), whose sum is σ = 27726816. Its totient is φ = 9597672.

The previous prime is 16795951. The next prime is 16795993. The reversal of 16795989 is 98959761.

It is not a de Polignac number, because 16795989 - 2⁷ = 16795861 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16795939) 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, 133239 + ... + 133364.

It is an arithmetic number, because the mean of its divisors is an integer number (2310568).

Almost surely, 2^16795989 is an apocalyptic number.

It is an amenable number.

16795989 is a deficient number, since it is larger than the sum of its proper divisors (10930827).

16795989 is a wasteful number, since it uses less digits than its factorization.

16795989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266616 (or 266613 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The square root of 16795989 is about 4098.2909852767. The cubic root of 16795989 is about 256.0954488235.

The spelling of 16795989 in words is "sixteen million, seven hundred ninety-five thousand, nine hundred eighty-nine".