667367104325716 has 24 divisors (see below), whose sum is σ = 1241899249205160. Its totient is φ = 312707231910912.

The previous prime is 667367104325659. The next prime is 667367104325777. The reversal of 667367104325716 is 617523401763766.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 187334516480400 + 480032587845316 = 13687020^2 + 21909646^2 .

It is a super-2 number, since 2×667367104325716² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21060546651 + ... + 21060578338.

It is an arithmetic number, because the mean of its divisors is an integer number (51745802050215).

Almost surely, 2^{667367104325716} is an apocalyptic number.

It is an amenable number.

667367104325716 is a deficient number, since it is larger than the sum of its proper divisors (574532144879444).

667367104325716 is a wasteful number, since it uses less digits than its factorization.

667367104325716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42121125243 (or 42121125241 counting only the distinct ones).

The product of its (nonzero) digits is 160030080, while the sum is 64.

The spelling of 667367104325716 in words is "six hundred sixty-seven trillion, three hundred sixty-seven billion, one hundred four million, three hundred twenty-five thousand, seven hundred sixteen".