669112 has 8 divisors (see below), whose sum is σ = 1254600. Its totient is φ = 334552.

The previous prime is 669107. The next prime is 669113. The reversal of 669112 is 211966.

669112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41812 + ... + 41827.

It is an arithmetic number, because the mean of its divisors is an integer number (156825).

2⁶⁶⁹¹¹² is an apocalyptic number.

It is an amenable number.

669112 is a deficient number, since it is larger than the sum of its proper divisors (585488).

669112 is a wasteful number, since it uses less digits than its factorization.

669112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83645 (or 83641 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

The square root of 669112 is about 817.9926650038. The cubic root of 669112 is about 87.4647259178.

The spelling of 669112 in words is "six hundred sixty-nine thousand, one hundred twelve".