161760532806144 has 160 divisors (see below), whose sum is σ = 494268295994880. Its totient is φ = 52180816896000.

The previous prime is 161760532806143. The next prime is 161760532806199. The reversal of 161760532806144 is 441608235067161.

161760532806144 is a `hidden beast` number, since 1 + 6 + 1 + 7 + 6 + 0 + 532 + 8 + 0 + 61 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (161760532806143) 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, 188304157 + ... + 189161244.

It is an arithmetic number, because the mean of its divisors is an integer number (3089176849968).

Almost surely, 2^{161760532806144} is an apocalyptic number.

It is an amenable number.

161760532806144 is an abundant number, since it is smaller than the sum of its proper divisors (332507763188736).

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

161760532806144 is an equidigital number, since it uses as much as digits as its factorization.

161760532806144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377465459 (or 377465437 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 161760532806144 in words is "one hundred sixty-one trillion, seven hundred sixty billion, five hundred thirty-two million, eight hundred six thousand, one hundred forty-four".