672183856912 has 20 divisors (see below), whose sum is σ = 1315250841996. Its totient is φ = 332764284800.

The previous prime is 672183856907. The next prime is 672183856921. The reversal of 672183856912 is 219658381276.

It can be written as a sum of positive squares in 2 ways, for example, as 661918925056 + 10264931856 = 813584^2 + 101316^2 .

It is a super-2 number, since 2×672183856912² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 207976063 + ... + 207979294.

Almost surely, 2^672183856912 is an apocalyptic number.

It is an amenable number.

672183856912 is a deficient number, since it is larger than the sum of its proper divisors (643066985084).

672183856912 is a wasteful number, since it uses less digits than its factorization.

672183856912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415955466 (or 415955460 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 58.

The spelling of 672183856912 in words is "six hundred seventy-two billion, one hundred eighty-three million, eight hundred fifty-six thousand, nine hundred twelve".