168481272486 has 96 divisors (see below), whose sum is σ = 362196327168. Its totient is φ = 52227996480.

The previous prime is 168481272469. The next prime is 168481272517. The reversal of 168481272486 is 684272184861.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45131076 + ... + 45134808.

It is an arithmetic number, because the mean of its divisors is an integer number (3772878408).

Almost surely, 2^168481272486 is an apocalyptic number.

168481272486 is an abundant number, since it is smaller than the sum of its proper divisors (193715054682).

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

168481272486 is a wasteful number, since it uses less digits than its factorization.

168481272486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154 (or 4135 counting only the distinct ones).

The product of its digits is 8257536, while the sum is 57.

The spelling of 168481272486 in words is "one hundred sixty-eight billion, four hundred eighty-one million, two hundred seventy-two thousand, four hundred eighty-six".