16709964 has 12 divisors (see below), whose sum is σ = 38989944. Its totient is φ = 5569984.

The previous prime is 16709951. The next prime is 16709971. The reversal of 16709964 is 46990761.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696237 + ... + 696260.

It is an arithmetic number, because the mean of its divisors is an integer number (3249162).

Almost surely, 2^16709964 is an apocalyptic number.

It is an amenable number.

16709964 is an abundant number, since it is smaller than the sum of its proper divisors (22279980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16709964 is a wasteful number, since it uses less digits than its factorization.

16709964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392504 (or 1392502 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 16709964 is about 4087.7822838307. The cubic root of 16709964 is about 255.6574805642.

The spelling of 16709964 in words is "sixteen million, seven hundred nine thousand, nine hundred sixty-four".