168881206862 has 4 divisors (see below), whose sum is σ = 253321810296. Its totient is φ = 84440603430.

The previous prime is 168881206847. The next prime is 168881206909. The reversal of 168881206862 is 268602188861.

168881206862 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: 268602188861 = 8893 ⋅30203777.

It is a junction number, because it is equal to n+sod(n) for n = 168881206798 and 168881206807.

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, 42220301714 + ... + 42220301717.

It is an arithmetic number, because the mean of its divisors is an integer number (63330452574).

Almost surely, 2^168881206862 is an apocalyptic number.

168881206862 is a deficient number, since it is larger than the sum of its proper divisors (84440603434).

168881206862 is an equidigital number, since it uses as much as digits as its factorization.

168881206862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84440603433.

The product of its (nonzero) digits is 3538944, while the sum is 56.

The spelling of 168881206862 in words is "one hundred sixty-eight billion, eight hundred eighty-one million, two hundred six thousand, eight hundred sixty-two".