197688299814 has 112 divisors (see below), whose sum is σ = 458686876032. Its totient is φ = 63823728384.

The previous prime is 197688299801. The next prime is 197688299863. The reversal of 197688299814 is 418992886791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 12021742 + ... + 12038174.

It is an arithmetic number, because the mean of its divisors is an integer number (4095418536).

Almost surely, 2^197688299814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197688299814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229343438016).

197688299814 is an abundant number, since it is smaller than the sum of its proper divisors (260998576218).

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

197688299814 is a wasteful number, since it uses less digits than its factorization.

197688299814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16713 (or 16698 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 72.

The spelling of 197688299814 in words is "one hundred ninety-seven billion, six hundred eighty-eight million, two hundred ninety-nine thousand, eight hundred fourteen".