2064331567668 has 48 divisors (see below), whose sum is σ = 4931768219840. Its totient is φ = 671702056704.

The previous prime is 2064331567633. The next prime is 2064331567733. The reversal of 2064331567668 is 8667651334602.

It is a super-2 number, since 2×2064331567668² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352183 + ... + 2062206.

Almost surely, 2^{2064331567668} is an apocalyptic number.

It is an amenable number.

2064331567668 is an abundant number, since it is smaller than the sum of its proper divisors (2867436652172).

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

2064331567668 is a wasteful number, since it uses less digits than its factorization.

2064331567668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416096 (or 2416094 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 57.

The spelling of 2064331567668 in words is "two trillion, sixty-four billion, three hundred thirty-one million, five hundred sixty-seven thousand, six hundred sixty-eight".