168497144312 has 64 divisors (see below), whose sum is σ = 374945034240. Its totient is φ = 69465024000.

The previous prime is 168497144311. The next prime is 168497144351. The reversal of 168497144312 is 213441794861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168497144311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689 + ... + 580512.

It is an arithmetic number, because the mean of its divisors is an integer number (5858516160).

Almost surely, 2^168497144312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168497144312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187472517120).

168497144312 is an abundant number, since it is smaller than the sum of its proper divisors (206447889928).

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

168497144312 is a wasteful number, since it uses less digits than its factorization.

168497144312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581412 (or 581408 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The spelling of 168497144312 in words is "one hundred sixty-eight billion, four hundred ninety-seven million, one hundred forty-four thousand, three hundred twelve".