168854084955785 has 16 divisors (see below), whose sum is σ = 203054954399616. Its totient is φ = 134796604543488.

The previous prime is 168854084955779. The next prime is 168854084955791. The reversal of 168854084955785 is 587559480458861.

It is an interprime number because it is at equal distance from previous prime (168854084955779) and next prime (168854084955791).

It is a cyclic number.

It is not a de Polignac number, because 168854084955785 - 2²⁰ = 168854083907209 is a prime.

It is a Smith number, since the sum of its digits (83) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33080057 + ... + 37841753.

It is an arithmetic number, because the mean of its divisors is an integer number (12690934649976).

Almost surely, 2^{168854084955785} is an apocalyptic number.

It is an amenable number.

168854084955785 is a deficient number, since it is larger than the sum of its proper divisors (34200869443831).

168854084955785 is a wasteful number, since it uses less digits than its factorization.

168854084955785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4776752.

The product of its (nonzero) digits is 15482880000, while the sum is 83.

The spelling of 168854084955785 in words is "one hundred sixty-eight trillion, eight hundred fifty-four billion, eighty-four million, nine hundred fifty-five thousand, seven hundred eighty-five".