16687364 has 6 divisors (see below), whose sum is σ = 29202894. Its totient is φ = 8343680.

The previous prime is 16687337. The next prime is 16687381. The reversal of 16687364 is 46378661.

It can be written as a sum of positive squares in only one way, i.e., 11847364 + 4840000 = 3442^2 + 2200^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2085917 + ... + 2085924.

It is an arithmetic number, because the mean of its divisors is an integer number (4867149).

Almost surely, 2^16687364 is an apocalyptic number.

It is an amenable number.

16687364 is a deficient number, since it is larger than the sum of its proper divisors (12515530).

16687364 is a wasteful number, since it uses less digits than its factorization.

16687364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171845 (or 4171843 counting only the distinct ones).

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

The square root of 16687364 is about 4085.0170134285. The cubic root of 16687364 is about 255.5421708036.

The spelling of 16687364 in words is "sixteen million, six hundred eighty-seven thousand, three hundred sixty-four".