667133060 has 96 divisors (see below), whose sum is σ = 1572480000. Its totient is φ = 235693440.

The previous prime is 667133041. The next prime is 667133063. The reversal of 667133060 is 60331766.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (667133063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1336691 + ... + 1337189.

It is an arithmetic number, because the mean of its divisors is an integer number (16380000).

Almost surely, 2^667133060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 667133060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786240000).

667133060 is an abundant number, since it is smaller than the sum of its proper divisors (905346940).

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

667133060 is a wasteful number, since it uses less digits than its factorization.

667133060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 667133060 is about 25828.9190637162. The cubic root of 667133060 is about 873.7841333013.

The spelling of 667133060 in words is "six hundred sixty-seven million, one hundred thirty-three thousand, sixty".