660740793 has 8 divisors (see below), whose sum is σ = 883092000. Its totient is φ = 439441728.

The previous prime is 660740791. The next prime is 660740797. The reversal of 660740793 is 397047066.

660740793 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 660740793 - 2¹ = 660740791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (660740791) 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, 261568 + ... + 264081.

It is an arithmetic number, because the mean of its divisors is an integer number (110386500).

Almost surely, 2^660740793 is an apocalyptic number.

It is an amenable number.

660740793 is a deficient number, since it is larger than the sum of its proper divisors (222351207).

660740793 is a wasteful number, since it uses less digits than its factorization.

660740793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526071.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 660740793 is about 25704.8787781619. The cubic root of 660740793 is about 870.9843937442.

The spelling of 660740793 in words is "six hundred sixty million, seven hundred forty thousand, seven hundred ninety-three".