168816880334 has 4 divisors (see below), whose sum is σ = 253225320504. Its totient is φ = 84408440166.

The previous prime is 168816880279. The next prime is 168816880343. The reversal of 168816880334 is 433088618861.

168816880334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 433088618861 = 83 ⋅5217935167.

It is a self number, because there is not a number n which added to its sum of digits gives 168816880334.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 42204220082 + ... + 42204220085.

It is an arithmetic number, because the mean of its divisors is an integer number (63306330126).

Almost surely, 2^168816880334 is an apocalyptic number.

168816880334 is a deficient number, since it is larger than the sum of its proper divisors (84408440170).

168816880334 is an equidigital number, since it uses as much as digits as its factorization.

168816880334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84408440169.

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 168816880334 in words is "one hundred sixty-eight billion, eight hundred sixteen million, eight hundred eighty thousand, three hundred thirty-four".