161848321524243 has 24 divisors (see below), whose sum is σ = 235061464521936. Its totient is φ = 107308606809600.

The previous prime is 161848321524223. The next prime is 161848321524271. The reversal of 161848321524243 is 342425123848161.

161848321524243 is a `hidden beast` number, since 1 + 6 + 1 + 8 + 48 + 32 + 1 + 524 + 2 + 43 = 666.

161848321524243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161848321524243 - 2⁶ = 161848321524179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161848321524243.

It is not an unprimeable number, because it can be changed into a prime (161848321524223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28726330 + ... + 33895407.

It is an arithmetic number, because the mean of its divisors is an integer number (9794227688414).

Almost surely, 2^{161848321524243} is an apocalyptic number.

161848321524243 is a deficient number, since it is larger than the sum of its proper divisors (73213142997693).

161848321524243 is a wasteful number, since it uses less digits than its factorization.

161848321524243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62623315 (or 62623312 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 54.

The spelling of 161848321524243 in words is "one hundred sixty-one trillion, eight hundred forty-eight billion, three hundred twenty-one million, five hundred twenty-four thousand, two hundred forty-three".