16855450 has 24 divisors (see below), whose sum is σ = 31490172. Its totient is φ = 6712320.

The previous prime is 16855427. The next prime is 16855457. The reversal of 16855450 is 5455861.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2331729 + 14523721 = 1527^2 + 3811^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16855457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13242 + ... + 14458.

Almost surely, 2^16855450 is an apocalyptic number.

16855450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16855450 is a deficient number, since it is larger than the sum of its proper divisors (14634722).

16855450 is a wasteful number, since it uses less digits than its factorization.

16855450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 1501 counting only the distinct ones).

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

The square root of 16855450 is about 4105.5389414789. The cubic root of 16855450 is about 256.3973017857.

The spelling of 16855450 in words is "sixteen million, eight hundred fifty-five thousand, four hundred fifty".