161173711262328 has 32 divisors (see below), whose sum is σ = 402936138355200. Its totient is φ = 53724322394208.

The previous prime is 161173711262299. The next prime is 161173711262401. The reversal of 161173711262328 is 823262117371161.

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 7 ways as a sum of consecutive naturals, for example, 10157158 + ... + 20628021.

It is an arithmetic number, because the mean of its divisors is an integer number (12591754323600).

Almost surely, 2^{161173711262328} is an apocalyptic number.

It is an amenable number.

161173711262328 is an abundant number, since it is smaller than the sum of its proper divisors (241762427092872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161173711262328 is a wasteful number, since it uses less digits than its factorization.

161173711262328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31003331 (or 31003327 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The spelling of 161173711262328 in words is "one hundred sixty-one trillion, one hundred seventy-three billion, seven hundred eleven million, two hundred sixty-two thousand, three hundred twenty-eight".