168866271802 has 16 divisors (see below), whose sum is σ = 268285530240. Its totient is φ = 79440952768.

The previous prime is 168866271737. The next prime is 168866271829. The reversal of 168866271802 is 208172668861.

168866271802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 690148 + ... + 902239.

It is an arithmetic number, because the mean of its divisors is an integer number (16767845640).

Almost surely, 2^168866271802 is an apocalyptic number.

168866271802 is a deficient number, since it is larger than the sum of its proper divisors (99419258438).

168866271802 is a wasteful number, since it uses less digits than its factorization.

168866271802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595525.

The product of its (nonzero) digits is 3096576, while the sum is 55.

The spelling of 168866271802 in words is "one hundred sixty-eight billion, eight hundred sixty-six million, two hundred seventy-one thousand, eight hundred two".