169441013808 has 200 divisors, whose sum is σ = 535371287616. Its totient is φ = 51309590400.

The previous prime is 169441013801. The next prime is 169441013809. The reversal of 169441013808 is 808310144961.

169441013808 is a `hidden beast` number, since 16 + 94 + 410 + 138 + 0 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (169441013801) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25814335 + ... + 25820897.

Almost surely, 2^169441013808 is an apocalyptic number.

169441013808 is a gapful number since it is divisible by the number (18) 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 169441013808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267685643808).

169441013808 is an abundant number, since it is smaller than the sum of its proper divisors (365930273808).

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

169441013808 is a wasteful number, since it uses less digits than its factorization.

169441013808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8405 (or 8390 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 169441013808 in words is "one hundred sixty-nine billion, four hundred forty-one million, thirteen thousand, eight hundred eight".