16662112 has 12 divisors (see below), whose sum is σ = 32803596. Its totient is φ = 8331040.

The previous prime is 16662103. The next prime is 16662157. The reversal of 16662112 is 21126661.

It is a super-3 number, since 3×16662112³ (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260314 + ... + 260377.

It is an arithmetic number, because the mean of its divisors is an integer number (2733633).

Almost surely, 2^16662112 is an apocalyptic number.

It is an amenable number.

16662112 is a deficient number, since it is larger than the sum of its proper divisors (16141484).

16662112 is an equidigital number, since it uses as much as digits as its factorization.

16662112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520701 (or 520693 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 16662112 is about 4081.9250360584. The cubic root of 16662112 is about 255.4132067844.

Adding to 16662112 its reverse (21126661), we get a palindrome (37788773).

The spelling of 16662112 in words is "sixteen million, six hundred sixty-two thousand, one hundred twelve".