16855252 has 6 divisors (see below), whose sum is σ = 29496698. Its totient is φ = 8427624.

The previous prime is 16855249. The next prime is 16855273. The reversal of 16855252 is 25255861.

It can be written as a sum of positive squares in only one way, i.e., 13883076 + 2972176 = 3726^2 + 1724^2 .

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, 2106903 + ... + 2106910.

Almost surely, 2^16855252 is an apocalyptic number.

It is an amenable number.

16855252 is a deficient number, since it is larger than the sum of its proper divisors (12641446).

16855252 is a wasteful number, since it uses less digits than its factorization.

16855252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213817 (or 4213815 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

The square root of 16855252 is about 4105.5148276434. The cubic root of 16855252 is about 256.3962978203.

The spelling of 16855252 in words is "sixteen million, eight hundred fifty-five thousand, two hundred fifty-two".