96081972138 has 96 divisors (see below), whose sum is σ = 232335604800. Its totient is φ = 28518594048.

The previous prime is 96081972089. The next prime is 96081972149. The reversal of 96081972138 is 83127918069.

96081972138 is a `hidden beast` number, since 9 + 608 + 1 + 9 + 7 + 21 + 3 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4483533 + ... + 4504911.

It is an arithmetic number, because the mean of its divisors is an integer number (2420162550).

Almost surely, 2^96081972138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 96081972138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116167802400).

96081972138 is an abundant number, since it is smaller than the sum of its proper divisors (136253632662).

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

96081972138 is a wasteful number, since it uses less digits than its factorization.

96081972138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22196 (or 22193 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 96081972138 in words is "ninety-six billion, eighty-one million, nine hundred seventy-two thousand, one hundred thirty-eight".