197518098071 has 16 divisors (see below), whose sum is σ = 235301552640. Its totient is φ = 162215420640.

The previous prime is 197518098017. The next prime is 197518098077. The reversal of 197518098071 is 170890815791.

It is a de Polignac number, because none of the positive numbers 2^k-197518098071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197518097998 and 197518098016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197518098077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3687131 + ... + 3740316.

It is an arithmetic number, because the mean of its divisors is an integer number (14706347040).

Almost surely, 2^197518098071 is an apocalyptic number.

197518098071 is a deficient number, since it is larger than the sum of its proper divisors (37783454569).

197518098071 is a wasteful number, since it uses less digits than its factorization.

197518098071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7427614.

The product of its (nonzero) digits is 1270080, while the sum is 56.

The spelling of 197518098071 in words is "one hundred ninety-seven billion, five hundred eighteen million, ninety-eight thousand, seventy-one".