197091448832 has 96 divisors (see below), whose sum is σ = 407922278400. Its totient is φ = 95103590400.

The previous prime is 197091448823. The next prime is 197091448837. The reversal of 197091448832 is 238844190791.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197091448837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24057857 + ... + 24066047.

It is an arithmetic number, because the mean of its divisors is an integer number (4249190400).

Almost surely, 2^197091448832 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 197091448832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203961139200).

197091448832 is an abundant number, since it is smaller than the sum of its proper divisors (210830829568).

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

197091448832 is an equidigital number, since it uses as much as digits as its factorization.

197091448832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8623 (or 8603 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 197091448832 in words is "one hundred ninety-seven billion, ninety-one million, four hundred forty-eight thousand, eight hundred thirty-two".