197158116585 has 48 divisors (see below), whose sum is σ = 319781556864. Its totient is φ = 103727360256.

The previous prime is 197158116559. The next prime is 197158116671. The reversal of 197158116585 is 585611851791.

It is not a de Polignac number, because 197158116585 - 2⁸ = 197158116329 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106744132 + ... + 106745978.

It is an arithmetic number, because the mean of its divisors is an integer number (6662115768).

Almost surely, 2^197158116585 is an apocalyptic number.

197158116585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

197158116585 is a deficient number, since it is larger than the sum of its proper divisors (122623440279).

197158116585 is a wasteful number, since it uses less digits than its factorization.

197158116585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054 (or 2971 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 57.

The spelling of 197158116585 in words is "one hundred ninety-seven billion, one hundred fifty-eight million, one hundred sixteen thousand, five hundred eighty-five".