16662612 has 24 divisors (see below), whose sum is σ = 39239200. Its totient is φ = 5502816.

The previous prime is 16662589. The next prime is 16662637. The reversal of 16662612 is 21626661.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 16662612.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 5062 + ... + 7677.

Almost surely, 2^16662612 is an apocalyptic number.

16662612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16662612 is an abundant number, since it is smaller than the sum of its proper divisors (22576588).

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

16662612 is a wasteful number, since it uses less digits than its factorization.

16662612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12855 (or 12853 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 16662612 is about 4081.9862812116. The cubic root of 16662612 is about 255.4157615891.

It can be divided in two parts, 1666 and 2612, that added together give a triangular number (4278 = T₉₂).

The spelling of 16662612 in words is "sixteen million, six hundred sixty-two thousand, six hundred twelve".