16856252 has 48 divisors (see below), whose sum is σ = 34997760. Its totient is φ = 6955200.

The previous prime is 16856239. The next prime is 16856261. The reversal of 16856252 is 25265861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121199 + ... + 121337.

It is an arithmetic number, because the mean of its divisors is an integer number (729120).

Almost surely, 2^16856252 is an apocalyptic number.

It is an amenable number.

16856252 is an abundant number, since it is smaller than the sum of its proper divisors (18141508).

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

16856252 is a wasteful number, since it uses less digits than its factorization.

16856252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 280 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 16856252 is about 4105.6366132428. The cubic root of 16856252 is about 256.4013682721.

The spelling of 16856252 in words is "sixteen million, eight hundred fifty-six thousand, two hundred fifty-two".