667468504682 has 12 divisors (see below), whose sum is σ = 1164664431810. Its totient is φ = 286057930536.

The previous prime is 667468504649. The next prime is 667468504721. The reversal of 667468504682 is 286405864766.

667468504682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 657832922761 + 9635581921 = 811069^2 + 98161^2 .

It is a super-2 number, since 2×667468504682² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3405451457 + ... + 3405451652.

Almost surely, 2^667468504682 is an apocalyptic number.

667468504682 is a deficient number, since it is larger than the sum of its proper divisors (497195927128).

667468504682 is a wasteful number, since it uses less digits than its factorization.

667468504682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6810903125 (or 6810903118 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 62.

The spelling of 667468504682 in words is "six hundred sixty-seven billion, four hundred sixty-eight million, five hundred four thousand, six hundred eighty-two".