667233087556 has 48 divisors (see below), whose sum is σ = 1404861010560. Its totient is φ = 270875854080.

The previous prime is 667233087551. The next prime is 667233087559. The reversal of 667233087556 is 655780332766.

It is a self number, because there is not a number n which added to its sum of digits gives 667233087556.

It is not an unprimeable number, because it can be changed into a prime (667233087551) by changing a digit.

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, 4941096 + ... + 5074336.

It is an arithmetic number, because the mean of its divisors is an integer number (29267937720).

Almost surely, 2^667233087556 is an apocalyptic number.

It is an amenable number.

667233087556 is an abundant number, since it is smaller than the sum of its proper divisors (737627923004).

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

667233087556 is a wasteful number, since it uses less digits than its factorization.

667233087556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142684 (or 142682 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 58.

The spelling of 667233087556 in words is "six hundred sixty-seven billion, two hundred thirty-three million, eighty-seven thousand, five hundred fifty-six".