662143251072 has 256 divisors, whose sum is σ = 1869836451840. Its totient is φ = 207264768000.

The previous prime is 662143251043. The next prime is 662143251079. The reversal of 662143251072 is 270152341266.

It is a self number, because there is not a number n which added to its sum of digits gives 662143251072.

It is not an unprimeable number, because it can be changed into a prime (662143251079) 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, 93216673 + ... + 93223775.

It is an arithmetic number, because the mean of its divisors is an integer number (7304048640).

Almost surely, 2^662143251072 is an apocalyptic number.

662143251072 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662143251072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (934918225920).

662143251072 is an abundant number, since it is smaller than the sum of its proper divisors (1207693200768).

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

662143251072 is a wasteful number, since it uses less digits than its factorization.

662143251072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7383 (or 7371 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 662143251072 in words is "six hundred sixty-two billion, one hundred forty-three million, two hundred fifty-one thousand, seventy-two".