197918438096 has 20 divisors (see below), whose sum is σ = 387263679684. Its totient is φ = 97979424000.

The previous prime is 197918438051. The next prime is 197918438117. The reversal of 197918438096 is 690834819791.

197918438096 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 142080748096 + 55837690000 = 376936^2 + 236300^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 61235525 + ... + 61238756.

Almost surely, 2^197918438096 is an apocalyptic number.

197918438096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

197918438096 is a deficient number, since it is larger than the sum of its proper divisors (189345241588).

197918438096 is a wasteful number, since it uses less digits than its factorization.

197918438096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122474390 (or 122474384 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 65.

The spelling of 197918438096 in words is "one hundred ninety-seven billion, nine hundred eighteen million, four hundred thirty-eight thousand, ninety-six".