96921499395540 has 96 divisors (see below), whose sum is σ = 274689643374720. Its totient is φ = 25530638189056.

The previous prime is 96921499395499. The next prime is 96921499395601. The reversal of 96921499395540 is 4559399412969.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33039826 + ... + 35853494.

It is an arithmetic number, because the mean of its divisors is an integer number (2861350451820).

Almost surely, 2^{96921499395540} 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 96921499395540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137344821687360).

96921499395540 is an abundant number, since it is smaller than the sum of its proper divisors (177768143979180).

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

96921499395540 is a wasteful number, since it uses less digits than its factorization.

96921499395540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820681 (or 2820679 counting only the distinct ones).

The product of its (nonzero) digits is 850305600, while the sum is 75.

The spelling of 96921499395540 in words is "ninety-six trillion, nine hundred twenty-one billion, four hundred ninety-nine million, three hundred ninety-five thousand, five hundred forty".