197270995207680 has 400 divisors, whose sum is σ = 709647968707920. Its totient is φ = 52375867342848.

The previous prime is 197270995207621. The next prime is 197270995207739. The reversal of 197270995207680 is 86702599072791.

197270995207680 is a `hidden beast` number, since 1 + 9 + 7 + 2 + 7 + 0 + 99 + 520 + 7 + 6 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (197270995207621) and next prime (197270995207739).

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

It is a junction number, because it is equal to n+sod(n) for n = 197270995207599 and 197270995207608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 45408267 + ... + 49562613.

Almost surely, 2^{197270995207680} is an apocalyptic number.

197270995207680 is a gapful number since it is divisible by the number (10) 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 197270995207680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354823984353960).

197270995207680 is an abundant number, since it is smaller than the sum of its proper divisors (512376973500240).

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

197270995207680 is an equidigital number, since it uses as much as digits as its factorization.

197270995207680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154611 (or 4154586 counting only the distinct ones).

The product of its (nonzero) digits is 240045120, while the sum is 72.

The spelling of 197270995207680 in words is "one hundred ninety-seven trillion, two hundred seventy billion, nine hundred ninety-five million, two hundred seven thousand, six hundred eighty".