667403507104 has 24 divisors (see below), whose sum is σ = 1314360314820. Its totient is φ = 333597712896.

The previous prime is 667403507083. The next prime is 667403507129. The reversal of 667403507104 is 401705304766.

It can be written as a sum of positive squares in 2 ways, for example, as 649719826704 + 17683680400 = 806052^2 + 132980^2 .

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, 3146979 + ... + 3352354.

Almost surely, 2^667403507104 is an apocalyptic number.

It is an amenable number.

667403507104 is a deficient number, since it is larger than the sum of its proper divisors (646956807716).

667403507104 is a wasteful number, since it uses less digits than its factorization.

667403507104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6502552 (or 6502544 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 667403507104 in words is "six hundred sixty-seven billion, four hundred three million, five hundred seven thousand, one hundred four".