16646964 has 24 divisors (see below), whose sum is σ = 40887840. Its totient is φ = 5256864.

The previous prime is 16646923. The next prime is 16647013. The reversal of 16646964 is 46964661.

16646964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36279 + ... + 36734.

It is an arithmetic number, because the mean of its divisors is an integer number (1703660).

Almost surely, 2^16646964 is an apocalyptic number.

It is an amenable number.

16646964 is an abundant number, since it is smaller than the sum of its proper divisors (24240876).

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

16646964 is a wasteful number, since it uses less digits than its factorization.

16646964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73039 (or 73037 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 16646964 is about 4080.0691170616. The cubic root of 16646964 is about 255.3357821794.

The spelling of 16646964 in words is "sixteen million, six hundred forty-six thousand, nine hundred sixty-four".