88660447131648 has 384 divisors, whose sum is σ = 274700776896000. Its totient is φ = 24906812620800.

The previous prime is 88660447131643. The next prime is 88660447131691. The reversal of 88660447131648 is 84613174406688.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88660447131643) 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, 685095748 + ... + 685225148.

It is an arithmetic number, because the mean of its divisors is an integer number (715366606500).

Almost surely, 2^{88660447131648} 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 88660447131648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137350388448000).

88660447131648 is an abundant number, since it is smaller than the sum of its proper divisors (186040329764352).

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

88660447131648 is a wasteful number, since it uses less digits than its factorization.

88660447131648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129701 (or 129681 counting only the distinct ones).

The product of its (nonzero) digits is 148635648, while the sum is 66.

The spelling of 88660447131648 in words is "eighty-eight trillion, six hundred sixty billion, four hundred forty-seven million, one hundred thirty-one thousand, six hundred forty-eight".