667233388 has 12 divisors (see below), whose sum is σ = 1167894112. Its totient is φ = 333549360.

The previous prime is 667233383. The next prime is 667233389. The reversal of 667233388 is 883332766.

It is a happy number.

667233388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (667233383) 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, 10333 + ... + 37963.

Almost surely, 2^667233388 is an apocalyptic number.

It is an amenable number.

667233388 is a deficient number, since it is larger than the sum of its proper divisors (500660724).

667233388 is a wasteful number, since it uses less digits than its factorization.

667233388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33672 (or 33670 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The square root of 667233388 is about 25830.8611548280. The cubic root of 667233388 is about 873.8279329697.

The spelling of 667233388 in words is "six hundred sixty-seven million, two hundred thirty-three thousand, three hundred eighty-eight".