16662316 has 36 divisors (see below), whose sum is σ = 33604200. Its totient is φ = 7168320.

The previous prime is 16662311. The next prime is 16662319. The reversal of 16662316 is 61326661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16662311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15360 + ... + 16408.

It is an arithmetic number, because the mean of its divisors is an integer number (933450).

Almost surely, 2^16662316 is an apocalyptic number.

It is an amenable number.

16662316 is an abundant number, since it is smaller than the sum of its proper divisors (16941884).

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

16662316 is a wasteful number, since it uses less digits than its factorization.

16662316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102 (or 1081 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 16662316 is about 4081.9500241919. The cubic root of 16662316 is about 255.4142491509.

Adding to 16662316 its reverse (61326661), we get a palindrome (77988977).

The spelling of 16662316 in words is "sixteen million, six hundred sixty-two thousand, three hundred sixteen".