2263681639266 has 16 divisors (see below), whose sum is σ = 4546306224000. Its totient is φ = 751403388848.

The previous prime is 2263681639213. The next prime is 2263681639267. The reversal of 2263681639266 is 6629361863622.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2263681639267) by changing a digit.

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, 789287841 + ... + 789290708.

It is an arithmetic number, because the mean of its divisors is an integer number (284144139000).

Almost surely, 2^{2263681639266} is an apocalyptic number.

2263681639266 is an abundant number, since it is smaller than the sum of its proper divisors (2282624584734).

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

2263681639266 is a wasteful number, since it uses less digits than its factorization.

2263681639266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578578793.

The product of its digits is 40310784, while the sum is 60.

The spelling of 2263681639266 in words is "two trillion, two hundred sixty-three billion, six hundred eighty-one million, six hundred thirty-nine thousand, two hundred sixty-six".