21197176096 has 48 divisors (see below), whose sum is σ = 44159810688. Its totient is φ = 9994969600.

The previous prime is 21197176067. The next prime is 21197176097. The reversal of 21197176096 is 69067179112.

It is not an unprimeable number, because it can be changed into a prime (21197176097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150565 + ... + 255076.

It is an arithmetic number, because the mean of its divisors is an integer number (919996056).

Almost surely, 2^21197176096 is an apocalyptic number.

It is an amenable number.

21197176096 is an abundant number, since it is smaller than the sum of its proper divisors (22962634592).

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

21197176096 is a wasteful number, since it uses less digits than its factorization.

21197176096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405745 (or 405737 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 49.

The spelling of 21197176096 in words is "twenty-one billion, one hundred ninety-seven million, one hundred seventy-six thousand, ninety-six".