667382052 has 12 divisors (see below), whose sum is σ = 1557224816. Its totient is φ = 222460680.

The previous prime is 667382041. The next prime is 667382083. The reversal of 667382052 is 250283766.

667382052 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 (12).

It is a self number, because there is not a number n which added to its sum of digits gives 667382052.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27807574 + ... + 27807597.

Almost surely, 2^667382052 is an apocalyptic number.

It is an amenable number.

667382052 is an abundant number, since it is smaller than the sum of its proper divisors (889842764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667382052 is a wasteful number, since it uses less digits than its factorization.

667382052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55615178 (or 55615176 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 667382052 is about 25833.7386376808. The cubic root of 667382052 is about 873.8928263594.

The spelling of 667382052 in words is "six hundred sixty-seven million, three hundred eighty-two thousand, fifty-two".