168151086 has 64 divisors (see below), whose sum is σ = 390277440. Its totient is φ = 53614080.

The previous prime is 168151073. The next prime is 168151103. The reversal of 168151086 is 680151861.

168151086 is a `hidden beast` number, since 1 + 68 + 1 + 510 + 86 = 666.

168151086 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 168151086.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 116626 + ... + 118058.

It is an arithmetic number, because the mean of its divisors is an integer number (6098085).

Almost surely, 2^168151086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168151086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195138720).

168151086 is an abundant number, since it is smaller than the sum of its proper divisors (222126354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168151086 is a wasteful number, since it uses less digits than its factorization.

168151086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538 (or 1532 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 168151086 is about 12967.3083560159. The cubic root of 168151086 is about 551.9501963573.

The spelling of 168151086 in words is "one hundred sixty-eight million, one hundred fifty-one thousand, eighty-six".