16113333331161 has 24 divisors (see below), whose sum is σ = 25404805464480. Its totient is φ = 9760234104000.

The previous prime is 16113333331153. The next prime is 16113333331211.

16113333331161 is a `hidden beast` number, since 1 + 6 + 1 + 1 + 3 + 3 + 333 + 311 + 6 + 1 = 666.

16113333331161 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 16113333331161 - 2³ = 16113333331153 is a prime.

It is a super-2 number, since 2×16113333331161² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16113333331111) 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 23 ways as a sum of consecutive naturals, for example, 45007971 + ... + 45364568.

It is an arithmetic number, because the mean of its divisors is an integer number (1058533561020).

Almost surely, 2^{16113333331161} is an apocalyptic number.

16113333331161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16113333331161 is a deficient number, since it is larger than the sum of its proper divisors (9291472133319).

16113333331161 is a wasteful number, since it uses less digits than its factorization.

16113333331161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90374357 (or 90374354 counting only the distinct ones).

The product of its digits is 26244, while the sum is 36.

It can be divided in two parts, 1611333 and 3331161, that added together give a palindrome (4942494).

The spelling of 16113333331161 in words is "sixteen trillion, one hundred thirteen billion, three hundred thirty-three million, three hundred thirty-one thousand, one hundred sixty-one".