197530864201 has 24 divisors (see below), whose sum is σ = 219945015360. Its totient is φ = 177249816480.

The previous prime is 197530864171. The next prime is 197530864211. The reversal of 197530864201 is 102468035791.

It is not a de Polignac number, because 197530864201 - 2⁵ = 197530864169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197530864211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3558780 + ... + 3613858.

It is an arithmetic number, because the mean of its divisors is an integer number (9164375640).

It is a 2-persistent number, because it is pandigital, and so is 2⋅197530864201 = 395061728402, but 3⋅197530864201 = 592592592603 is not.

Almost surely, 2^197530864201 is an apocalyptic number.

197530864201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

197530864201 is a deficient number, since it is larger than the sum of its proper divisors (22414151159).

197530864201 is a wasteful number, since it uses less digits than its factorization.

197530864201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55485 (or 55474 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

Adding to 197530864201 its reverse (102468035791), we get a palindrome (299998899992).

The spelling of 197530864201 in words is "one hundred ninety-seven billion, five hundred thirty million, eight hundred sixty-four thousand, two hundred one".