16673864 has 8 divisors (see below), whose sum is σ = 31263510. Its totient is φ = 8336928.

The previous prime is 16673863. The next prime is 16673879. The reversal of 16673864 is 46837661.

It can be written as a sum of positive squares in only one way, i.e., 16240900 + 432964 = 4030^2 + 658^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (16673863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042109 + ... + 1042124.

Almost surely, 2^16673864 is an apocalyptic number.

It is an amenable number.

16673864 is a deficient number, since it is larger than the sum of its proper divisors (14589646).

16673864 is a wasteful number, since it uses less digits than its factorization.

16673864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084239 (or 2084235 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 16673864 is about 4083.3642992023. The cubic root of 16673864 is about 255.4732414025.

The spelling of 16673864 in words is "sixteen million, six hundred seventy-three thousand, eight hundred sixty-four".