168497675880 has 128 divisors (see below), whose sum is σ = 519825444480. Its totient is φ = 43661859840.

The previous prime is 168497675791. The next prime is 168497675887. The reversal of 168497675880 is 88576794861.

It is not an unprimeable number, because it can be changed into a prime (168497675887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3470170 + ... + 3518390.

It is an arithmetic number, because the mean of its divisors is an integer number (4061136285).

Almost surely, 2^168497675880 is an apocalyptic number.

168497675880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168497675880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259912722240).

168497675880 is an abundant number, since it is smaller than the sum of its proper divisors (351327768600).

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

168497675880 is a wasteful number, since it uses less digits than its factorization.

168497675880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49059 (or 49055 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 69.

The spelling of 168497675880 in words is "one hundred sixty-eight billion, four hundred ninety-seven million, six hundred seventy-five thousand, eight hundred eighty".