667112 has 8 divisors (see below), whose sum is σ = 1250850. Its totient is φ = 333552.

The previous prime is 667103. The next prime is 667123. The reversal of 667112 is 211766.

667112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 568516 + 98596 = 754^2 + 314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41687 + ... + 41702.

2⁶⁶⁷¹¹² is an apocalyptic number.

It is an amenable number.

667112 is a deficient number, since it is larger than the sum of its proper divisors (583738).

667112 is a wasteful number, since it uses less digits than its factorization.

667112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83395 (or 83391 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 667112 is about 816.7692452584. The cubic root of 667112 is about 87.3774938690.

Adding to 667112 its reverse (211766), we get a palindrome (878878).

The spelling of 667112 in words is "six hundred sixty-seven thousand, one hundred twelve".