667441412882 has 4 divisors (see below), whose sum is σ = 1001162119326. Its totient is φ = 333720706440.

The previous prime is 667441412863. The next prime is 667441412917. The reversal of 667441412882 is 288214144766.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 368799929521 + 298641483361 = 607289^2 + 546481^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166860353219 + ... + 166860353222.

Almost surely, 2^667441412882 is an apocalyptic number.

667441412882 is a deficient number, since it is larger than the sum of its proper divisors (333720706444).

667441412882 is a wasteful number, since it uses less digits than its factorization.

667441412882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333720706443.

The product of its digits is 4128768, while the sum is 53.

The spelling of 667441412882 in words is "six hundred sixty-seven billion, four hundred forty-one million, four hundred twelve thousand, eight hundred eighty-two".