19662286080608 has 96 divisors (see below), whose sum is σ = 39819242615040. Its totient is φ = 9553602240000.

The previous prime is 19662286080587. The next prime is 19662286080611. The reversal of 19662286080608 is 80608068226691.

It is a super-2 number, since 2×19662286080608² (a number of 27 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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120242423 + ... + 120405833.

It is an arithmetic number, because the mean of its divisors is an integer number (414783777240).

Almost surely, 2^{19662286080608} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19662286080608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19909621307520).

19662286080608 is an abundant number, since it is smaller than the sum of its proper divisors (20156956534432).

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

19662286080608 is a wasteful number, since it uses less digits than its factorization.

19662286080608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164212 (or 164204 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 62.

The spelling of 19662286080608 in words is "nineteen trillion, six hundred sixty-two billion, two hundred eighty-six million, eighty thousand, six hundred eight".