16868486 has 4 divisors (see below), whose sum is σ = 25302732. Its totient is φ = 8434242.

The previous prime is 16868483. The next prime is 16868491. The reversal of 16868486 is 68486861.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16868486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16868483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4217120 + ... + 4217123.

It is an arithmetic number, because the mean of its divisors is an integer number (6325683).

Almost surely, 2^16868486 is an apocalyptic number.

16868486 is a deficient number, since it is larger than the sum of its proper divisors (8434246).

16868486 is an equidigital number, since it uses as much as digits as its factorization.

16868486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8434245.

The product of its digits is 442368, while the sum is 47.

The square root of 16868486 is about 4107.1262459291. The cubic root of 16868486 is about 256.4633839515.

The spelling of 16868486 in words is "sixteen million, eight hundred sixty-eight thousand, four hundred eighty-six".