2272564641766 has 4 divisors (see below), whose sum is σ = 3408846962652. Its totient is φ = 1136282320882.

The previous prime is 2272564641757. The next prime is 2272564641793. The reversal of 2272564641766 is 6671464652722.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2272564641766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568141160440 + ... + 568141160443.

It is an arithmetic number, because the mean of its divisors is an integer number (852211740663).

Almost surely, 2^{2272564641766} is an apocalyptic number.

2272564641766 is a deficient number, since it is larger than the sum of its proper divisors (1136282320886).

2272564641766 is a wasteful number, since it uses less digits than its factorization.

2272564641766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136282320885.

The product of its digits is 40642560, while the sum is 58.

The spelling of 2272564641766 in words is "two trillion, two hundred seventy-two billion, five hundred sixty-four million, six hundred forty-one thousand, seven hundred sixty-six".