222166757655 has 24 divisors (see below), whose sum is σ = 405356892720. Its totient is φ = 112252677120.

The previous prime is 222166757653. The next prime is 222166757689. The reversal of 222166757655 is 556757661222.

222166757655 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 6 + 67 + 576 + 5 + 5 = 666.

It is not a de Polignac number, because 222166757655 - 2¹ = 222166757653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222166757653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129921226 + ... + 129922935.

It is an arithmetic number, because the mean of its divisors is an integer number (16889870530).

Almost surely, 2^222166757655 is an apocalyptic number.

222166757655 is a deficient number, since it is larger than the sum of its proper divisors (183190135065).

222166757655 is a wasteful number, since it uses less digits than its factorization.

222166757655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259844191 (or 259844188 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 54.

The spelling of 222166757655 in words is "two hundred twenty-two billion, one hundred sixty-six million, seven hundred fifty-seven thousand, six hundred fifty-five".