197162847838 has 8 divisors (see below), whose sum is σ = 322630114680. Its totient is φ = 89619476280.

The previous prime is 197162847811. The next prime is 197162847853. The reversal of 197162847838 is 838748261791.

197162847838 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 197162847838.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4480973793 + ... + 4480973836.

It is an arithmetic number, because the mean of its divisors is an integer number (40328764335).

Almost surely, 2^197162847838 is an apocalyptic number.

197162847838 is a deficient number, since it is larger than the sum of its proper divisors (125467266842).

197162847838 is a wasteful number, since it uses less digits than its factorization.

197162847838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8961947642.

The product of its digits is 32514048, while the sum is 64.

The spelling of 197162847838 in words is "one hundred ninety-seven billion, one hundred sixty-two million, eight hundred forty-seven thousand, eight hundred thirty-eight".