667271500075 has 24 divisors (see below), whose sum is σ = 836597516832. Its totient is φ = 527926533120.

The previous prime is 667271500009. The next prime is 667271500097. The reversal of 667271500075 is 570005172766.

It is not a de Polignac number, because 667271500075 - 2⁹ = 667271499563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 667271499998 and 667271500034.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416827 + ... + 1228123.

It is an arithmetic number, because the mean of its divisors is an integer number (34858229868).

Almost surely, 2^667271500075 is an apocalyptic number.

667271500075 is a deficient number, since it is larger than the sum of its proper divisors (169326016757).

667271500075 is a wasteful number, since it uses less digits than its factorization.

667271500075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811671 (or 811666 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 46.

The spelling of 667271500075 in words is "six hundred sixty-seven billion, two hundred seventy-one million, five hundred thousand, seventy-five".