16856006026 has 8 divisors (see below), whose sum is σ = 25544669220. Its totient is φ = 8341116288.

The previous prime is 16856005979. The next prime is 16856006077. The reversal of 16856006026 is 62060065861.

It can be written as a sum of positive squares in 2 ways, for example, as 16705821001 + 150185025 = 129251^2 + 12255^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 16856006026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43443121 + ... + 43443508.

Almost surely, 2^16856006026 is an apocalyptic number.

16856006026 is a deficient number, since it is larger than the sum of its proper divisors (8688663194).

16856006026 is an equidigital number, since it uses as much as digits as its factorization.

16856006026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86886728.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 16856006026 in words is "sixteen billion, eight hundred fifty-six million, six thousand, twenty-six".