660473265 has 8 divisors (see below), whose sum is σ = 1056757248. Its totient is φ = 352252400.

The previous prime is 660473257. The next prime is 660473299. The reversal of 660473265 is 562374066.

660473265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 660473265 - 2³ = 660473257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22015761 + ... + 22015790.

It is an arithmetic number, because the mean of its divisors is an integer number (132094656).

Almost surely, 2^660473265 is an apocalyptic number.

It is an amenable number.

660473265 is a deficient number, since it is larger than the sum of its proper divisors (396283983).

660473265 is a wasteful number, since it uses less digits than its factorization.

660473265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44031559.

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 660473265 is about 25699.6744142800. The cubic root of 660473265 is about 870.8668266283.

The spelling of 660473265 in words is "six hundred sixty million, four hundred seventy-three thousand, two hundred sixty-five".