667325271 has 8 divisors (see below), whose sum is σ = 890373744. Its totient is φ = 444580160.

The previous prime is 667325233. The next prime is 667325291. The reversal of 667325271 is 172523766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 667325271 - 2¹⁰ = 667324247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667325291) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 70656 + ... + 79541.

It is an arithmetic number, because the mean of its divisors is an integer number (111296718).

Almost surely, 2^667325271 is an apocalyptic number.

667325271 is a deficient number, since it is larger than the sum of its proper divisors (223048473).

667325271 is a wasteful number, since it uses less digits than its factorization.

667325271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151681.

The product of its digits is 105840, while the sum is 39.

The square root of 667325271 is about 25832.6396444498. The cubic root of 667325271 is about 873.8680419971.

The spelling of 667325271 in words is "six hundred sixty-seven million, three hundred twenty-five thousand, two hundred seventy-one".