16665852 has 48 divisors (see below), whose sum is σ = 44710400. Its totient is φ = 4732992.

The previous prime is 16665851. The next prime is 16665863. The reversal of 16665852 is 25856661.

It is a self number, because there is not a number n which added to its sum of digits gives 16665852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16665851) 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, 16218 + ... + 17214.

Almost surely, 2^16665852 is an apocalyptic number.

16665852 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 16665852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22355200).

16665852 is an abundant number, since it is smaller than the sum of its proper divisors (28044548).

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

16665852 is a wasteful number, since it uses less digits than its factorization.

16665852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210 (or 1208 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 16665852 is about 4082.3831275371. The cubic root of 16665852 is about 255.4323154850.

The spelling of 16665852 in words is "sixteen million, six hundred sixty-five thousand, eight hundred fifty-two".