456666318685 has 4 divisors (see below), whose sum is σ = 547999582428. Its totient is φ = 365333054944.

The previous prime is 456666318677. The next prime is 456666318749. The reversal of 456666318685 is 586813666654.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 195755808249 + 260910510436 = 442443^2 + 510794^2 .

It is a cyclic number.

It is not a de Polignac number, because 456666318685 - 2³ = 456666318677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45666631864 + ... + 45666631873.

It is an arithmetic number, because the mean of its divisors is an integer number (136999895607).

Almost surely, 2^456666318685 is an apocalyptic number.

It is an amenable number.

456666318685 is a deficient number, since it is larger than the sum of its proper divisors (91333263743).

456666318685 is an equidigital number, since it uses as much as digits as its factorization.

456666318685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91333263742.

The product of its digits is 149299200, while the sum is 64.

The spelling of 456666318685 in words is "four hundred fifty-six billion, six hundred sixty-six million, three hundred eighteen thousand, six hundred eighty-five".