197320505834 has 16 divisors (see below), whose sum is σ = 300329700480. Its totient is φ = 97212274320.

The previous prime is 197320505761. The next prime is 197320505857. The reversal of 197320505834 is 438505023791.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179294 + ... + 653289.

It is an arithmetic number, because the mean of its divisors is an integer number (18770606280).

Almost surely, 2^197320505834 is an apocalyptic number.

197320505834 is a deficient number, since it is larger than the sum of its proper divisors (103009194646).

197320505834 is a wasteful number, since it uses less digits than its factorization.

197320505834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834325.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 197320505834 in words is "one hundred ninety-seven billion, three hundred twenty million, five hundred five thousand, eight hundred thirty-four".