2666632713764 has 24 divisors (see below), whose sum is σ = 4757212039608. Its totient is φ = 1307456317440.

The previous prime is 2666632713721. The next prime is 2666632713853. The reversal of 2666632713764 is 4673172366662.

2666632713764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 381825126400 + 2284807587364 = 617920^2 + 1511558^2 .

It is a super-2 number, since 2×2666632713764² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2984957 + ... + 3774020.

It is an arithmetic number, because the mean of its divisors is an integer number (198217168317).

Almost surely, 2^{2666632713764} is an apocalyptic number.

It is an amenable number.

2666632713764 is a deficient number, since it is larger than the sum of its proper divisors (2090579325844).

2666632713764 is a wasteful number, since it uses less digits than its factorization.

2666632713764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6760895 (or 6760893 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 59.

The spelling of 2666632713764 in words is "two trillion, six hundred sixty-six billion, six hundred thirty-two million, seven hundred thirteen thousand, seven hundred sixty-four".