2666446402120 has 64 divisors (see below), whose sum is σ = 6354655441920. Its totient is φ = 1003484826624.

The previous prime is 2666446402093. The next prime is 2666446402157. The reversal of 2666446402120 is 212046446662.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1243609 + ... + 2622871.

It is an arithmetic number, because the mean of its divisors is an integer number (99291491280).

Almost surely, 2^{2666446402120} is an apocalyptic number.

2666446402120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2666446402120 is an abundant number, since it is smaller than the sum of its proper divisors (3688209039800).

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

2666446402120 is a wasteful number, since it uses less digits than its factorization.

2666446402120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382134 (or 1382130 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 43.

The spelling of 2666446402120 in words is "two trillion, six hundred sixty-six billion, four hundred forty-six million, four hundred two thousand, one hundred twenty".