112665616 has 40 divisors (see below), whose sum is σ = 251303360. Its totient is φ = 47931264.

The previous prime is 112665607. The next prime is 112665653. The reversal of 112665616 is 616566211.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11950 + ... + 19186.

It is an arithmetic number, because the mean of its divisors is an integer number (6282584).

Almost surely, 2^112665616 is an apocalyptic number.

112665616 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 112665616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125651680).

112665616 is an abundant number, since it is smaller than the sum of its proper divisors (138637744).

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

112665616 is a wasteful number, since it uses less digits than its factorization.

112665616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7391 (or 7385 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 112665616 is about 10614.4060596908. The cubic root of 112665616 is about 482.9814657674.

The spelling of 112665616 in words is "one hundred twelve million, six hundred sixty-five thousand, six hundred sixteen".