664054853 has 32 divisors (see below), whose sum is σ = 846443520. Its totient is φ = 505964160.

The previous prime is 664054829. The next prime is 664054879. The reversal of 664054853 is 358450466.

It is a cyclic number.

It is not a de Polignac number, because 664054853 - 2¹² = 664050757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 664054853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664054823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1421726 + ... + 1422192.

It is an arithmetic number, because the mean of its divisors is an integer number (26451360).

Almost surely, 2^664054853 is an apocalyptic number.

It is an amenable number.

664054853 is a deficient number, since it is larger than the sum of its proper divisors (182388667).

664054853 is a wasteful number, since it uses less digits than its factorization.

664054853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857.

The product of its (nonzero) digits is 345600, while the sum is 41.

The square root of 664054853 is about 25769.2617860893. The cubic root of 664054853 is about 872.4381569892.

The spelling of 664054853 in words is "six hundred sixty-four million, fifty-four thousand, eight hundred fifty-three".