112066661 has 4 divisors (see below), whose sum is σ = 128076192. Its totient is φ = 96057132.

The previous prime is 112066639. The next prime is 112066663. The reversal of 112066661 is 166660211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 166660211 = 4703 ⋅35437.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112066661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112066663) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8004755 + ... + 8004768.

It is an arithmetic number, because the mean of its divisors is an integer number (32019048).

Almost surely, 2^112066661 is an apocalyptic number.

It is an amenable number.

112066661 is a deficient number, since it is larger than the sum of its proper divisors (16009531).

112066661 is an equidigital number, since it uses as much as digits as its factorization.

112066661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16009530.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 112066661 is about 10586.1542119884. The cubic root of 112066661 is about 482.1240663048.

The spelling of 112066661 in words is "one hundred twelve million, sixty-six thousand, six hundred sixty-one".