16724668 has 24 divisors (see below), whose sum is σ = 31655232. Its totient is φ = 7701504.

The previous prime is 16724663. The next prime is 16724681. The reversal of 16724668 is 86642761.

It is a self number, because there is not a number n which added to its sum of digits gives 16724668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16724663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580 + ... + 5812.

It is an arithmetic number, because the mean of its divisors is an integer number (1318968).

Almost surely, 2^16724668 is an apocalyptic number.

It is an amenable number.

16724668 is a deficient number, since it is larger than the sum of its proper divisors (14930564).

16724668 is a wasteful number, since it uses less digits than its factorization.

16724668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5301 (or 5299 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 16724668 is about 4089.5804185760. The cubic root of 16724668 is about 255.7324475219.

The spelling of 16724668 in words is "sixteen million, seven hundred twenty-four thousand, six hundred sixty-eight".