667140004448 has 24 divisors (see below), whose sum is σ = 1313487728280. Its totient is φ = 333555819520.

The previous prime is 667140004411. The next prime is 667140004463. The reversal of 667140004448 is 844400041766.

It is a junction number, because it is equal to n+sod(n) for n = 667140004399 and 667140004408.

It is a congruent number.

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, 342608 + ... + 1204848.

It is an arithmetic number, because the mean of its divisors is an integer number (54728655345).

Almost surely, 2^667140004448 is an apocalyptic number.

It is an amenable number.

667140004448 is a deficient number, since it is larger than the sum of its proper divisors (646347723832).

667140004448 is a wasteful number, since it uses less digits than its factorization.

667140004448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886430 (or 886422 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 667140004448 in words is "six hundred sixty-seven billion, one hundred forty million, four thousand, four hundred forty-eight".