197795885056 has 416 divisors, whose sum is σ = 511130981376. Its totient is φ = 74937139200.

The previous prime is 197795885017. The next prime is 197795885057. The reversal of 197795885056 is 650588597791.

It is not an unprimeable number, because it can be changed into a prime (197795885057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2709532636 + ... + 2709532708.

Almost surely, 2^197795885056 is an apocalyptic number.

197795885056 is a gapful number since it is divisible by the number (16) 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 197795885056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255565490688).

197795885056 is an abundant number, since it is smaller than the sum of its proper divisors (313335096320).

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

197795885056 is an frugal number, since it uses more digits than its factorization.

197795885056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 190512000, while the sum is 70.

The spelling of 197795885056 in words is "one hundred ninety-seven billion, seven hundred ninety-five million, eight hundred eighty-five thousand, fifty-six".