664000046262216 has 80 divisors (see below), whose sum is σ = 1940676463756800. Its totient is φ = 211710159673056.

The previous prime is 664000046262199. The next prime is 664000046262313. The reversal of 664000046262216 is 612262640000466.

664000046262216 is a `hidden beast` number, since 6 + 6 + 4 + 0 + 0 + 0 + 0 + 4 + 6 + 2 + 622 + 16 = 666.

It is a super-2 number, since 2×664000046262216² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22275885736 + ... + 22275915543.

It is an arithmetic number, because the mean of its divisors is an integer number (24258455796960).

Almost surely, 2^{664000046262216} is an apocalyptic number.

It is an amenable number.

664000046262216 is an abundant number, since it is smaller than the sum of its proper divisors (1276676417494584).

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

664000046262216 is a wasteful number, since it uses less digits than its factorization.

664000046262216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44551801320 (or 44551801307 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 664000046262216 in words is "six hundred sixty-four trillion, forty-six million, two hundred sixty-two thousand, two hundred sixteen".