2256416422566 has 32 divisors (see below), whose sum is σ = 4796886238560. Its totient is φ = 705140883456.

The previous prime is 2256416422529. The next prime is 2256416422571. The reversal of 2256416422566 is 6652246146522.

2256416422566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43012171 + ... + 43064598.

It is an arithmetic number, because the mean of its divisors is an integer number (149902694955).

Almost surely, 2^{2256416422566} is an apocalyptic number.

2256416422566 is an abundant number, since it is smaller than the sum of its proper divisors (2540469815994).

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

2256416422566 is a wasteful number, since it uses less digits than its factorization.

2256416422566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86077048.

The product of its digits is 8294400, while the sum is 51.

The spelling of 2256416422566 in words is "two trillion, two hundred fifty-six billion, four hundred sixteen million, four hundred twenty-two thousand, five hundred sixty-six".