65665227760022 has 16 divisors (see below), whose sum is σ = 110356304148432. Its totient is φ = 29041132669920.

The previous prime is 65665227759983. The next prime is 65665227760037. The reversal of 65665227760022 is 22006772256656.

It is a self number, because there is not a number n which added to its sum of digits gives 65665227760022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40334905673 + ... + 40334907300.

It is an arithmetic number, because the mean of its divisors is an integer number (6897269009277).

Almost surely, 2^{65665227760022} is an apocalyptic number.

65665227760022 is a deficient number, since it is larger than the sum of its proper divisors (44691076388410).

65665227760022 is a wasteful number, since it uses less digits than its factorization.

65665227760022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80669813023.

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 65665227760022 in words is "sixty-five trillion, six hundred sixty-five billion, two hundred twenty-seven million, seven hundred sixty thousand, twenty-two".