16868536 has 16 divisors (see below), whose sum is σ = 31861440. Its totient is φ = 8372160.

The previous prime is 16868531. The next prime is 16868543. The reversal of 16868536 is 63586861.

It is a junction number, because it is equal to n+sod(n) for n = 16868492 and 16868501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16868531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6600 + ... + 8791.

It is an arithmetic number, because the mean of its divisors is an integer number (1991340).

Almost surely, 2^16868536 is an apocalyptic number.

It is an amenable number.

16868536 is a deficient number, since it is larger than the sum of its proper divisors (14992904).

16868536 is a wasteful number, since it uses less digits than its factorization.

16868536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15534 (or 15530 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 16868536 is about 4107.1323329058. The cubic root of 16868536 is about 256.4636373463.

The spelling of 16868536 in words is "sixteen million, eight hundred sixty-eight thousand, five hundred thirty-six".