197096857300056 has 128 divisors (see below), whose sum is σ = 564388634234880. Its totient is φ = 56187933119616.

The previous prime is 197096857300043. The next prime is 197096857300061. The reversal of 197096857300056 is 650003758690791.

It is a self number, because there is not a number n which added to its sum of digits gives 197096857300056.

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 31 ways as a sum of consecutive naturals, for example, 959178781 + ... + 959384243.

It is an arithmetic number, because the mean of its divisors is an integer number (4409286204960).

Almost surely, 2^{197096857300056} 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 197096857300056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282194317117440).

197096857300056 is an abundant number, since it is smaller than the sum of its proper divisors (367291776934824).

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

197096857300056 is a wasteful number, since it uses less digits than its factorization.

197096857300056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218173 (or 218169 counting only the distinct ones).

The product of its (nonzero) digits is 85730400, while the sum is 66.

The spelling of 197096857300056 in words is "one hundred ninety-seven trillion, ninety-six billion, eight hundred fifty-seven million, three hundred thousand, fifty-six".