666313485 has 16 divisors (see below), whose sum is σ = 1067539200. Its totient is φ = 354888000.

The previous prime is 666313477. The next prime is 666313499. The reversal of 666313485 is 584313666.

666313485 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 666313485 - 2³ = 666313477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18310 + ... + 40839.

It is an arithmetic number, because the mean of its divisors is an integer number (66721200).

Almost surely, 2^666313485 is an apocalyptic number.

It is an amenable number.

666313485 is a deficient number, since it is larger than the sum of its proper divisors (401225715).

666313485 is a wasteful number, since it uses less digits than its factorization.

666313485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59908.

The product of its digits is 311040, while the sum is 42.

The square root of 666313485 is about 25813.0487350875. The cubic root of 666313485 is about 873.4261711840.

The spelling of 666313485 in words is "six hundred sixty-six million, three hundred thirteen thousand, four hundred eighty-five".