16855029 has 12 divisors (see below), whose sum is σ = 24511500. Its totient is φ = 11160384.

The previous prime is 16855019. The next prime is 16855031. The reversal of 16855029 is 92055861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10595025 + 6260004 = 3255^2 + 2502^2 .

It is not a de Polignac number, because 16855029 - 2¹⁵ = 16822261 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16854984 and 16855002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16855019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4944 + ... + 7625.

It is an arithmetic number, because the mean of its divisors is an integer number (2042625).

Almost surely, 2^16855029 is an apocalyptic number.

It is an amenable number.

16855029 is a deficient number, since it is larger than the sum of its proper divisors (7656471).

16855029 is a wasteful number, since it uses less digits than its factorization.

16855029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12724 (or 12721 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 16855029 is about 4105.4876689621. The cubic root of 16855029 is about 256.3951670822.

The spelling of 16855029 in words is "sixteen million, eight hundred fifty-five thousand, twenty-nine".