197183954916 has 81 divisors (see below), whose sum is σ = 539822698779. Its totient is φ = 60661328832.

The previous prime is 197183954879. The next prime is 197183954963. The reversal of 197183954916 is 619459381791.

The square root of 197183954916 is 444054.

It is a perfect power (a square), and thus also a powerful number.

197183954916 is a `hidden beast` number, since 1 + 9 + 7 + 1 + 83 + 9 + 549 + 1 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 105010994916 + 92172960000 = 324054^2 + 303600^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 34633366 + ... + 34639058.

Almost surely, 2^197183954916 is an apocalyptic number.

197183954916 is the 444054-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197183954916

197183954916 is an abundant number, since it is smaller than the sum of its proper divisors (342638743863).

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

197183954916 is an equidigital number, since it uses as much as digits as its factorization.

197183954916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11422 (or 5711 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 63.

The spelling of 197183954916 in words is "one hundred ninety-seven billion, one hundred eighty-three million, nine hundred fifty-four thousand, nine hundred sixteen".