9161653527243 has 16 divisors (see below), whose sum is σ = 15511794332160. Its totient is φ = 5235230586888.

The previous prime is 9161653527179. The next prime is 9161653527281. The reversal of 9161653527243 is 3427253561619.

9161653527243 is a `hidden beast` number, since 9 + 1 + 61 + 6 + 53 + 527 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 9161653527243 - 2⁶ = 9161653527179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9161653527243.

It is not an unprimeable number, because it can be changed into a prime (9161653527643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24237178455 + ... + 24237178832.

It is an arithmetic number, because the mean of its divisors is an integer number (969487145760).

Almost surely, 2^{9161653527243} is an apocalyptic number.

9161653527243 is a deficient number, since it is larger than the sum of its proper divisors (6350140804917).

9161653527243 is a wasteful number, since it uses less digits than its factorization.

9161653527243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48474357303 (or 48474357297 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The spelling of 9161653527243 in words is "nine trillion, one hundred sixty-one billion, six hundred fifty-three million, five hundred twenty-seven thousand, two hundred forty-three".