112161720516 has 24 divisors (see below), whose sum is σ = 262243710624. Its totient is φ = 37311093120.

The previous prime is 112161720511. The next prime is 112161720533. The reversal of 112161720516 is 615027161211.

112161720516 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (112161720511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9512245 + ... + 9524028.

It is an arithmetic number, because the mean of its divisors is an integer number (10926821276).

Almost surely, 2^112161720516 is an apocalyptic number.

It is an amenable number.

112161720516 is an abundant number, since it is smaller than the sum of its proper divisors (150081990108).

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

112161720516 is a wasteful number, since it uses less digits than its factorization.

112161720516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19036771 (or 19036769 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

Adding to 112161720516 its reverse (615027161211), we get a palindrome (727188881727).

The spelling of 112161720516 in words is "one hundred twelve billion, one hundred sixty-one million, seven hundred twenty thousand, five hundred sixteen".