667340673332 has 48 divisors (see below), whose sum is σ = 1231489550592. Its totient is φ = 315794519040.

The previous prime is 667340673313. The next prime is 667340673341. The reversal of 667340673332 is 233376043766.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53368193 + ... + 53380695.

It is an arithmetic number, because the mean of its divisors is an integer number (25656032304).

Almost surely, 2^667340673332 is an apocalyptic number.

It is an amenable number.

667340673332 is a deficient number, since it is larger than the sum of its proper divisors (564148877260).

667340673332 is a wasteful number, since it uses less digits than its factorization.

667340673332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18608 (or 18606 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 50.

The spelling of 667340673332 in words is "six hundred sixty-seven billion, three hundred forty million, six hundred seventy-three thousand, three hundred thirty-two".