2666445644214 has 64 divisors (see below), whose sum is σ = 6464694919680. Its totient is φ = 807940798560.

The previous prime is 2666445644123. The next prime is 2666445644221. The reversal of 2666445644214 is 4124465446662.

2666445644214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6564324 + ... + 6958680.

It is an arithmetic number, because the mean of its divisors is an integer number (101010858120).

Almost surely, 2^{2666445644214} is an apocalyptic number.

2666445644214 is an abundant number, since it is smaller than the sum of its proper divisors (3798249275466).

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

2666445644214 is a wasteful number, since it uses less digits than its factorization.

2666445644214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405762 (or 405756 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 54.

The spelling of 2666445644214 in words is "two trillion, six hundred sixty-six billion, four hundred forty-five million, six hundred forty-four thousand, two hundred fourteen".