161368734195 has 48 divisors (see below), whose sum is σ = 293737167360. Its totient is φ = 84973865184.

The previous prime is 161368734179. The next prime is 161368734203. The reversal of 161368734195 is 591437863161.

161368734195 is a `hidden beast` number, since 1 + 6 + 136 + 87 + 341 + 95 = 666.

It is not a de Polignac number, because 161368734195 - 2⁴ = 161368734179 is a prime.

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, 744609 + ... + 936578.

It is an arithmetic number, because the mean of its divisors is an integer number (6119524320).

Almost surely, 2^161368734195 is an apocalyptic number.

161368734195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161368734195 is a deficient number, since it is larger than the sum of its proper divisors (132368433165).

161368734195 is an equidigital number, since it uses as much as digits as its factorization.

161368734195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681286 (or 1681274 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 161368734195 in words is "one hundred sixty-one billion, three hundred sixty-eight million, seven hundred thirty-four thousand, one hundred ninety-five".