16964091 has 12 divisors (see below), whose sum is σ = 24613680. Its totient is φ = 11258640.

The previous prime is 16964083. The next prime is 16964141. The reversal of 16964091 is 19046961.

16964091 is a `hidden beast` number, since 1 + 6 + 9 + 640 + 9 + 1 = 666.

It is not a de Polignac number, because 16964091 - 2³ = 16964083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16964021) 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, 2055 + ... + 6176.

It is an arithmetic number, because the mean of its divisors is an integer number (2051140).

Almost surely, 2^16964091 is an apocalyptic number.

16964091 is a deficient number, since it is larger than the sum of its proper divisors (7649589).

16964091 is a wasteful number, since it uses less digits than its factorization.

16964091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8466 (or 8463 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 16964091 is about 4118.7487177540. The cubic root of 16964091 is about 256.9469880111.

The spelling of 16964091 in words is "sixteen million, nine hundred sixty-four thousand, ninety-one".