17106855985 has 8 divisors (see below), whose sum is σ = 20758881960. Its totient is φ = 13531714944.

The previous prime is 17106855967. The next prime is 17106855991. The reversal of 17106855985 is 58955860171.

It can be written as a sum of positive squares in 4 ways, for example, as 130850721 + 16976005264 = 11439^2 + 130292^2 .

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 17106855985 - 2³³ = 8516921393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19220742 + ... + 19221631.

It is an arithmetic number, because the mean of its divisors is an integer number (2594860245).

Almost surely, 2^17106855985 is an apocalyptic number.

It is an amenable number.

17106855985 is a deficient number, since it is larger than the sum of its proper divisors (3652025975).

17106855985 is an equidigital number, since it uses as much as digits as its factorization.

17106855985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38442467.

The product of its (nonzero) digits is 3024000, while the sum is 55.

The spelling of 17106855985 in words is "seventeen billion, one hundred six million, eight hundred fifty-five thousand, nine hundred eighty-five".