667466813488 has 10 divisors (see below), whose sum is σ = 1293216951164. Its totient is φ = 333733406736.

The previous prime is 667466813483. The next prime is 667466813603. The reversal of 667466813488 is 884318664766.

It is a super-2 number, since 2×667466813488² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (667466813483) 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 as a sum of consecutive naturals, namely, 20858337906 + ... + 20858337937.

Almost surely, 2^667466813488 is an apocalyptic number.

It is an amenable number.

667466813488 is a deficient number, since it is larger than the sum of its proper divisors (625750137676).

667466813488 is a wasteful number, since it uses less digits than its factorization.

667466813488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41716675851 (or 41716675845 counting only the distinct ones).

The product of its digits is 222953472, while the sum is 67.

The spelling of 667466813488 in words is "six hundred sixty-seven billion, four hundred sixty-six million, eight hundred thirteen thousand, four hundred eighty-eight".