16672212 has 36 divisors (see below), whose sum is σ = 42436576. Its totient is φ = 5518800.

The previous prime is 16672207. The next prime is 16672231. The reversal of 16672212 is 21227661.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3903 + ... + 6969.

Almost surely, 2^16672212 is an apocalyptic number.

16672212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16672212 is an abundant number, since it is smaller than the sum of its proper divisors (25764364).

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

16672212 is a wasteful number, since it uses less digits than its factorization.

16672212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228 (or 3223 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 16672212 is about 4083.1620100114. The cubic root of 16672212 is about 255.4648039314.

Adding to 16672212 its reverse (21227661), we get a palindrome (37899873).

The spelling of 16672212 in words is "sixteen million, six hundred seventy-two thousand, two hundred twelve".