2560663326166 has 16 divisors (see below), whose sum is σ = 4190238213120. Its totient is φ = 1163920691880.

The previous prime is 2560663326131. The next prime is 2560663326217. The reversal of 2560663326166 is 6616233660652.

It is a congruent number.

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, 730195 + ... + 2377921.

It is an arithmetic number, because the mean of its divisors is an integer number (261889888320).

Almost surely, 2^{2560663326166} is an apocalyptic number.

2560663326166 is a deficient number, since it is larger than the sum of its proper divisors (1629574886954).

2560663326166 is a wasteful number, since it uses less digits than its factorization.

2560663326166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718379.

The product of its (nonzero) digits is 8398080, while the sum is 52.

The spelling of 2560663326166 in words is "two trillion, five hundred sixty billion, six hundred sixty-three million, three hundred twenty-six thousand, one hundred sixty-six".