13805116416 has 880 divisors, whose sum is σ = 53262612480. Its totient is φ = 3463741440.

The previous prime is 13805116343. The next prime is 13805116433. The reversal of 13805116416 is 61461150831.

It is a happy number.

13805116416 is a `hidden beast` number, since 1 + 3 + 8 + 0 + 5 + 1 + 1 + 641 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 233984995 + ... + 233985053.

It is an arithmetic number, because the mean of its divisors is an integer number (60525696).

Almost surely, 2^13805116416 is an apocalyptic number.

13805116416 is a gapful number since it is divisible by the number (16) 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 13805116416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26631306240).

13805116416 is an abundant number, since it is smaller than the sum of its proper divisors (39457496064).

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

13805116416 is a wasteful number, since it uses less digits than its factorization.

13805116416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 13805116416 in words is "thirteen billion, eight hundred five million, one hundred sixteen thousand, four hundred sixteen".