16868029 has 8 divisors (see below), whose sum is σ = 18800640. Its totient is φ = 15039936.

The previous prime is 16868023. The next prime is 16868069. The reversal of 16868029 is 92086861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16868029 - 2⁹ = 16867517 is a prime.

It is a super-3 number, since 3×16868029³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16867982 and 16868000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16868023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25789 + ... + 26434.

It is an arithmetic number, because the mean of its divisors is an integer number (2350080).

Almost surely, 2^16868029 is an apocalyptic number.

16868029 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16868029 is a deficient number, since it is larger than the sum of its proper divisors (1932611).

16868029 is a wasteful number, since it uses less digits than its factorization.

16868029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52259.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 16868029 is about 4107.0706105447. The cubic root of 16868029 is about 256.4610679005.

The spelling of 16868029 in words is "sixteen million, eight hundred sixty-eight thousand, twenty-nine".