112571216666 has 8 divisors (see below), whose sum is σ = 168859013664. Its totient is φ = 56284878780.

The previous prime is 112571216647. The next prime is 112571216687. The reversal of 112571216666 is 666612175211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145550 + ... + 496313.

It is an arithmetic number, because the mean of its divisors is an integer number (21107376708).

Almost surely, 2^112571216666 is an apocalyptic number.

112571216666 is a deficient number, since it is larger than the sum of its proper divisors (56287796998).

112571216666 is an equidigital number, since it uses as much as digits as its factorization.

112571216666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729556.

The product of its digits is 181440, while the sum is 44.

The spelling of 112571216666 in words is "one hundred twelve billion, five hundred seventy-one million, two hundred sixteen thousand, six hundred sixty-six".