662011559968512 has 288 divisors, whose sum is σ = 2013702888391488. Its totient is φ = 191270976749568.

The previous prime is 662011559968511. The next prime is 662011559968513. The reversal of 662011559968512 is 215869955110266.

It is an interprime number because it is at equal distance from previous prime (662011559968511) and next prime (662011559968513).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662011559968511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68988268 + ... + 77996180.

It is an arithmetic number, because the mean of its divisors is an integer number (6992023918026).

Almost surely, 2^{662011559968512} 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 662011559968512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1006851444195744).

662011559968512 is an abundant number, since it is smaller than the sum of its proper divisors (1351691328422976).

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

662011559968512 is a wasteful number, since it uses less digits than its factorization.

662011559968512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9008395 (or 9008381 counting only the distinct ones).

The product of its (nonzero) digits is 69984000, while the sum is 66.

The spelling of 662011559968512 in words is "six hundred sixty-two trillion, eleven billion, five hundred fifty-nine million, nine hundred sixty-eight thousand, five hundred twelve".