2666302554666 has 16 divisors (see below), whose sum is σ = 5462668649088. Its totient is φ = 867090261600.

The previous prime is 2666302554653. The next prime is 2666302554673. The reversal of 2666302554666 is 6664552036662.

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, 5419313890 + ... + 5419314381.

It is an arithmetic number, because the mean of its divisors is an integer number (341416790568).

Almost surely, 2^{2666302554666} is an apocalyptic number.

2666302554666 is an abundant number, since it is smaller than the sum of its proper divisors (2796366094422).

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

2666302554666 is a wasteful number, since it uses less digits than its factorization.

2666302554666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10838628317.

The product of its (nonzero) digits is 55987200, while the sum is 57.

The spelling of 2666302554666 in words is "two trillion, six hundred sixty-six billion, three hundred two million, five hundred fifty-four thousand, six hundred sixty-six".