2251166244244 has 12 divisors (see below), whose sum is σ = 4110825315744. Its totient is φ = 1076644725464.

The previous prime is 2251166244227. The next prime is 2251166244259. The reversal of 2251166244244 is 4424426611522.

2251166244244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2251166244244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12234599062 + ... + 12234599245.

It is an arithmetic number, because the mean of its divisors is an integer number (342568776312).

Almost surely, 2^{2251166244244} is an apocalyptic number.

It is an amenable number.

2251166244244 is a deficient number, since it is larger than the sum of its proper divisors (1859659071500).

2251166244244 is a wasteful number, since it uses less digits than its factorization.

2251166244244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24469198334 (or 24469198332 counting only the distinct ones).

The product of its digits is 737280, while the sum is 43.

The spelling of 2251166244244 in words is "two trillion, two hundred fifty-one billion, one hundred sixty-six million, two hundred forty-four thousand, two hundred forty-four".