168108886 has 32 divisors (see below), whose sum is σ = 303948288. Its totient is φ = 68787840.

The previous prime is 168108883. The next prime is 168108893. The reversal of 168108886 is 688801861.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168108881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1170 + ... + 18373.

It is an arithmetic number, because the mean of its divisors is an integer number (9498384).

Almost surely, 2^168108886 is an apocalyptic number.

168108886 is a deficient number, since it is larger than the sum of its proper divisors (135839402).

168108886 is a wasteful number, since it uses less digits than its factorization.

168108886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19596.

The product of its (nonzero) digits is 147456, while the sum is 46.

The square root of 168108886 is about 12965.6810850800. The cubic root of 168108886 is about 551.9040191413.

The spelling of 168108886 in words is "one hundred sixty-eight million, one hundred eight thousand, eight hundred eighty-six".