667464002756 has 12 divisors (see below), whose sum is σ = 1168157233068. Its totient is φ = 333704793312.

The previous prime is 667464002701. The next prime is 667464002773. The reversal of 667464002756 is 657200464766.

It can be written as a sum of positive squares in 2 ways, for example, as 176413440256 + 491050562500 = 420016^2 + 700750^2 .

It is a junction number, because it is equal to n+sod(n) for n = 667464002698 and 667464002707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6746771 + ... + 6844986.

It is an arithmetic number, because the mean of its divisors is an integer number (97346436089).

Almost surely, 2^667464002756 is an apocalyptic number.

It is an amenable number.

667464002756 is a deficient number, since it is larger than the sum of its proper divisors (500693230312).

667464002756 is a wasteful number, since it uses less digits than its factorization.

667464002756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13604038 (or 13604036 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 53.

The spelling of 667464002756 in words is "six hundred sixty-seven billion, four hundred sixty-four million, two thousand, seven hundred fifty-six".