16626612 has 48 divisors (see below), whose sum is σ = 41428800. Its totient is φ = 5171712.

The previous prime is 16626611. The next prime is 16626637. The reversal of 16626612 is 21662661.

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 16626612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16626611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30123 + ... + 30669.

It is an arithmetic number, because the mean of its divisors is an integer number (863100).

Almost surely, 2^16626612 is an apocalyptic number.

16626612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16626612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20714400).

16626612 is an abundant number, since it is smaller than the sum of its proper divisors (24802188).

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

16626612 is a wasteful number, since it uses less digits than its factorization.

16626612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720 (or 718 counting only the distinct ones).

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

The square root of 16626612 is about 4077.5742789065. The cubic root of 16626612 is about 255.2316848596.

The spelling of 16626612 in words is "sixteen million, six hundred twenty-six thousand, six hundred twelve".