669148112 has 20 divisors (see below), whose sum is σ = 1326626400. Its totient is φ = 326792928.

The previous prime is 669148111. The next prime is 669148121. The reversal of 669148112 is 211841966.

669148112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669148111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485612 + ... + 486987.

It is an arithmetic number, because the mean of its divisors is an integer number (66331320).

Almost surely, 2^669148112 is an apocalyptic number.

It is an amenable number.

669148112 is a deficient number, since it is larger than the sum of its proper divisors (657478288).

669148112 is a wasteful number, since it uses less digits than its factorization.

669148112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972650 (or 972644 counting only the distinct ones).

The product of its digits is 20736, while the sum is 38.

The square root of 669148112 is about 25867.8973246764. The cubic root of 669148112 is about 874.6629938106.

The spelling of 669148112 in words is "six hundred sixty-nine million, one hundred forty-eight thousand, one hundred twelve".