664300500354 has 24 divisors (see below), whose sum is σ = 1439492894892. Its totient is φ = 221406554880.

The previous prime is 664300500341. The next prime is 664300500359. The reversal of 664300500354 is 453005003466.

664300500354 is a `hidden beast` number, since 6 + 643 + 0 + 0 + 5 + 0 + 0 + 3 + 5 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 664070159025 + 230341329 = 814905^2 + 15177^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (664300500359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2093127 + ... + 2389514.

Almost surely, 2^664300500354 is an apocalyptic number.

664300500354 is an abundant number, since it is smaller than the sum of its proper divisors (775192394538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

664300500354 is a wasteful number, since it uses less digits than its factorization.

664300500354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490882 (or 4490879 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 664300500354 in words is "six hundred sixty-four billion, three hundred million, five hundred thousand, three hundred fifty-four".