667112243 has 12 divisors (see below), whose sum is σ = 766913040. Its totient is φ = 568455840.

The previous prime is 667112239. The next prime is 667112269. The reversal of 667112243 is 342211766.

It is not a de Polignac number, because 667112243 - 2² = 667112239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667112213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227873 + ... + 230781.

It is an arithmetic number, because the mean of its divisors is an integer number (63909420).

Almost surely, 2^667112243 is an apocalyptic number.

667112243 is a deficient number, since it is larger than the sum of its proper divisors (99800797).

667112243 is an equidigital number, since it uses as much as digits as its factorization.

667112243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278 (or 3097 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 667112243 is about 25828.5160820361. The cubic root of 667112243 is about 873.7750447828.

The spelling of 667112243 in words is "six hundred sixty-seven million, one hundred twelve thousand, two hundred forty-three".