197963538346 has 32 divisors (see below), whose sum is σ = 343714775040. Its totient is φ = 83754670896.

The previous prime is 197963538341. The next prime is 197963538373. The reversal of 197963538346 is 643835369791.

It is not an unprimeable number, because it can be changed into a prime (197963538341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11563525 + ... + 11580631.

It is an arithmetic number, because the mean of its divisors is an integer number (10741086720).

Almost surely, 2^197963538346 is an apocalyptic number.

197963538346 is a deficient number, since it is larger than the sum of its proper divisors (145751236694).

197963538346 is a wasteful number, since it uses less digits than its factorization.

197963538346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27658.

The product of its digits is 88179840, while the sum is 64.

The spelling of 197963538346 in words is "one hundred ninety-seven billion, nine hundred sixty-three million, five hundred thirty-eight thousand, three hundred forty-six".