667233130171 has 4 divisors (see below), whose sum is σ = 668245624200. Its totient is φ = 666220636144.

The previous prime is 667233130099. The next prime is 667233130183. The reversal of 667233130171 is 171031332766.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 667233130171 - 2¹⁹ = 667232605883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667233130471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506246026 + ... + 506247343.

It is an arithmetic number, because the mean of its divisors is an integer number (167061406050).

Almost surely, 2^667233130171 is an apocalyptic number.

667233130171 is a deficient number, since it is larger than the sum of its proper divisors (1012494029).

667233130171 is a wasteful number, since it uses less digits than its factorization.

667233130171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012494028.

The product of its (nonzero) digits is 95256, while the sum is 40.

The spelling of 667233130171 in words is "six hundred sixty-seven billion, two hundred thirty-three million, one hundred thirty thousand, one hundred seventy-one".