1663260708822 has 16 divisors (see below), whose sum is σ = 3357039964080. Its totient is φ = 549333811872.

The previous prime is 1663260708779. The next prime is 1663260708841. The reversal of 1663260708822 is 2288070623661.

It is a super-2 number, since 2×1663260708822² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1271605393 + ... + 1271606700.

It is an arithmetic number, because the mean of its divisors is an integer number (209814997755).

Almost surely, 2^{1663260708822} is an apocalyptic number.

1663260708822 is an abundant number, since it is smaller than the sum of its proper divisors (1693779255258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1663260708822 is a wasteful number, since it uses less digits than its factorization.

1663260708822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543212207.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 1663260708822 in words is "one trillion, six hundred sixty-three billion, two hundred sixty million, seven hundred eight thousand, eight hundred twenty-two".