2266201261646 has 16 divisors (see below), whose sum is σ = 3975263343744. Its totient is φ = 948642388344.

The previous prime is 2266201261637. The next prime is 2266201261669. The reversal of 2266201261646 is 6461621026622.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2266201261597 and 2266201261606.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1882226360 + ... + 1882227563.

It is an arithmetic number, because the mean of its divisors is an integer number (248453958984).

Almost surely, 2^{2266201261646} is an apocalyptic number.

2266201261646 is a deficient number, since it is larger than the sum of its proper divisors (1709062082098).

2266201261646 is a wasteful number, since it uses less digits than its factorization.

2266201261646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764453975.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 2266201261646 in words is "two trillion, two hundred sixty-six billion, two hundred one million, two hundred sixty-one thousand, six hundred forty-six".