197982684801 has 24 divisors (see below), whose sum is σ = 320404416384. Its totient is φ = 116746544160.

The previous prime is 197982684773. The next prime is 197982684817. The reversal of 197982684801 is 108486289791.

197982684801 is a `hidden beast` number, since 1 + 9 + 7 + 98 + 2 + 68 + 480 + 1 = 666.

It is not a de Polignac number, because 197982684801 - 2⁷ = 197982684673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197982684821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27021001 + ... + 27028326.

It is an arithmetic number, because the mean of its divisors is an integer number (13350184016).

Almost surely, 2^197982684801 is an apocalyptic number.

197982684801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

197982684801 is a deficient number, since it is larger than the sum of its proper divisors (122421731583).

197982684801 is a wasteful number, since it uses less digits than its factorization.

197982684801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54049381 (or 54049378 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 63.

The spelling of 197982684801 in words is "one hundred ninety-seven billion, nine hundred eighty-two million, six hundred eighty-four thousand, eight hundred one".