16666364 has 24 divisors (see below), whose sum is σ = 34266288. Its totient is φ = 6992640.

The previous prime is 16666361. The next prime is 16666367. The reversal of 16666364 is 46366661.

It is an interprime number because it is at equal distance from previous prime (16666361) and next prime (16666367).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16666361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13997 + ... + 15140.

It is an arithmetic number, because the mean of its divisors is an integer number (1427762).

Almost surely, 2^16666364 is an apocalyptic number.

It is an amenable number.

16666364 is an abundant number, since it is smaller than the sum of its proper divisors (17599924).

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

16666364 is a wasteful number, since it uses less digits than its factorization.

16666364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29165 (or 29163 counting only the distinct ones).

The product of its digits is 93312, while the sum is 38.

The square root of 16666364 is about 4082.4458355256. The cubic root of 16666364 is about 255.4349312130.

The spelling of 16666364 in words is "sixteen million, six hundred sixty-six thousand, three hundred sixty-four".