660041317 has 8 divisors (see below), whose sum is σ = 713948256. Its totient is φ = 606582192.

The previous prime is 660041311. The next prime is 660041339. The reversal of 660041317 is 713140066.

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 660041317 - 2³ = 660041309 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 (660041311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108883 + ... + 114784.

It is an arithmetic number, because the mean of its divisors is an integer number (89243532).

Almost surely, 2^660041317 is an apocalyptic number.

It is an amenable number.

660041317 is a deficient number, since it is larger than the sum of its proper divisors (53906939).

660041317 is a wasteful number, since it uses less digits than its factorization.

660041317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223907.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 660041317 is about 25691.2692757676. The cubic root of 660041317 is about 870.6769369243.

The spelling of 660041317 in words is "six hundred sixty million, forty-one thousand, three hundred seventeen".