197522228660256 has 192 divisors, whose sum is σ = 580089988800000. Its totient is φ = 65385665427456.

The previous prime is 197522228660227. The next prime is 197522228660261. The reversal of 197522228660256 is 652066822225791.

197522228660256 is a `hidden beast` number, since 1 + 9 + 7 + 522 + 2 + 2 + 86 + 6 + 0 + 25 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 197522228660193 and 197522228660202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 648548460 + ... + 648852948.

It is an arithmetic number, because the mean of its divisors is an integer number (3021302025000).

Almost surely, 2^{197522228660256} is an apocalyptic number.

197522228660256 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 197522228660256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290044994400000).

197522228660256 is an abundant number, since it is smaller than the sum of its proper divisors (382567760139744).

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

197522228660256 is a wasteful number, since it uses less digits than its factorization.

197522228660256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309696 (or 309682 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 63.

The spelling of 197522228660256 in words is "one hundred ninety-seven trillion, five hundred twenty-two billion, two hundred twenty-eight million, six hundred sixty thousand, two hundred fifty-six".