669301271 has 8 divisors (see below), whose sum is σ = 716636160. Its totient is φ = 622851328.

The previous prime is 669301247. The next prime is 669301301. The reversal of 669301271 is 172103966.

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 669301271 - 2⁶ = 669301207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669301471) 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, 219671 + ... + 222696.

It is an arithmetic number, because the mean of its divisors is an integer number (89579520).

Almost surely, 2^669301271 is an apocalyptic number.

669301271 is a deficient number, since it is larger than the sum of its proper divisors (47334889).

669301271 is a wasteful number, since it uses less digits than its factorization.

669301271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442473.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 669301271 is about 25870.8575621296. The cubic root of 669301271 is about 874.7297215836.

The spelling of 669301271 in words is "six hundred sixty-nine million, three hundred one thousand, two hundred seventy-one".