197130448495728 has 800 divisors, whose sum is σ = 655713584019648. Its totient is φ = 56628290764800.

The previous prime is 197130448495709. The next prime is 197130448495733. The reversal of 197130448495728 is 827594844031791.

197130448495728 is a `hidden beast` number, since 1 + 9 + 7 + 1 + 3 + 0 + 4 + 4 + 8 + 49 + 572 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 17236196826 + ... + 17236208262.

Almost surely, 2^{197130448495728} is an apocalyptic number.

197130448495728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197130448495728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327856792009824).

197130448495728 is an abundant number, since it is smaller than the sum of its proper divisors (458583135523920).

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

197130448495728 is a wasteful number, since it uses less digits than its factorization.

197130448495728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12343 (or 12328 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 72.

The spelling of 197130448495728 in words is "one hundred ninety-seven trillion, one hundred thirty billion, four hundred forty-eight million, four hundred ninety-five thousand, seven hundred twenty-eight".