168195487752 has 48 divisors (see below), whose sum is σ = 456676952940. Its totient is φ = 55923931008.

The previous prime is 168195487727. The next prime is 168195487763. The reversal of 168195487752 is 257784591861.

168195487752 is a `hidden beast` number, since 1 + 6 + 8 + 19 + 548 + 7 + 75 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 167940957636 + 254530116 = 409806^2 + 15954^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 168195487752.

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 11 ways as a sum of consecutive naturals, for example, 2913543 + ... + 2970710.

Almost surely, 2^168195487752 is an apocalyptic number.

168195487752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168195487752 is an abundant number, since it is smaller than the sum of its proper divisors (288481465188).

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

168195487752 is a wasteful number, since it uses less digits than its factorization.

168195487752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884662 (or 5884655 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 63.

The spelling of 168195487752 in words is "one hundred sixty-eight billion, one hundred ninety-five million, four hundred eighty-seven thousand, seven hundred fifty-two".