2664312144512 has 16 divisors (see below), whose sum is σ = 5307809350650. Its totient is φ = 1332156072192.

The previous prime is 2664312144467. The next prime is 2664312144541. The reversal of 2664312144512 is 2154412134662.

It can be written as a sum of positive squares in only one way, i.e., 1341204874816 + 1323107269696 = 1158104^2 + 1150264^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 2664312144512.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10407469187 + ... + 10407469442.

Almost surely, 2^{2664312144512} is an apocalyptic number.

It is an amenable number.

2664312144512 is a deficient number, since it is larger than the sum of its proper divisors (2643497206138).

2664312144512 is an equidigital number, since it uses as much as digits as its factorization.

2664312144512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20814938643 (or 20814938631 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The spelling of 2664312144512 in words is "two trillion, six hundred sixty-four billion, three hundred twelve million, one hundred forty-four thousand, five hundred twelve".