112566461661 has 24 divisors (see below), whose sum is σ = 163094100000. Its totient is φ = 74814773472.

The previous prime is 112566461621. The next prime is 112566461669. The reversal of 112566461661 is 166164665211.

112566461661 is a `hidden beast` number, since 1 + 1 + 25 + 6 + 6 + 4 + 616 + 6 + 1 = 666.

It is not a de Polignac number, because 112566461661 - 2¹¹ = 112566459613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112566461669) 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, 3935590 + ... + 3964088.

It is an arithmetic number, because the mean of its divisors is an integer number (6795587500).

Almost surely, 2^112566461661 is an apocalyptic number.

It is an amenable number.

112566461661 is a deficient number, since it is larger than the sum of its proper divisors (50527638339).

112566461661 is a wasteful number, since it uses less digits than its factorization.

112566461661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29833 (or 29830 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The spelling of 112566461661 in words is "one hundred twelve billion, five hundred sixty-six million, four hundred sixty-one thousand, six hundred sixty-one".