197886730368 has 384 divisors, whose sum is σ = 592797839040. Its totient is φ = 58274611200.

The previous prime is 197886730367. The next prime is 197886730381. The reversal of 197886730368 is 863037688791.

It is a tau number, because it is divible by the number of its divisors (384).

It is a junction number, because it is equal to n+sod(n) for n = 197886730299 and 197886730308.

It is not an unprimeable number, because it can be changed into a prime (197886730367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 308715328 + ... + 308715968.

Almost surely, 2^197886730368 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 197886730368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296398919520).

197886730368 is an abundant number, since it is smaller than the sum of its proper divisors (394911108672).

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

197886730368 is a wasteful number, since it uses less digits than its factorization.

197886730368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 197886730368 in words is "one hundred ninety-seven billion, eight hundred eighty-six million, seven hundred thirty thousand, three hundred sixty-eight".