220360881566 has 16 divisors (see below), whose sum is σ = 399982777056. Its totient is φ = 88885061376.

The previous prime is 220360881557. The next prime is 220360881571. The reversal of 220360881566 is 665188063022.

220360881566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220360881566² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220360881566.

It is a congruent number.

It is an unprimeable number.

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, 462942791 + ... + 462943266.

It is an arithmetic number, because the mean of its divisors is an integer number (24998923566).

Almost surely, 2^220360881566 is an apocalyptic number.

220360881566 is a deficient number, since it is larger than the sum of its proper divisors (179621895490).

220360881566 is a wasteful number, since it uses less digits than its factorization.

220360881566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925886083.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 220360881566 in words is "two hundred twenty billion, three hundred sixty million, eight hundred eighty-one thousand, five hundred sixty-six".