161760043103542 has 16 divisors (see below), whose sum is σ = 261312330736800. Its totient is φ = 74656296940032.

The previous prime is 161760043103509. The next prime is 161760043103563. The reversal of 161760043103542 is 245301340067161.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90114667 + ... + 91892182.

It is an arithmetic number, because the mean of its divisors is an integer number (16332020671050).

Almost surely, 2^{161760043103542} is an apocalyptic number.

161760043103542 is a deficient number, since it is larger than the sum of its proper divisors (99552287633258).

161760043103542 is a wasteful number, since it uses less digits than its factorization.

161760043103542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182041047.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 161760043103542 in words is "one hundred sixty-one trillion, seven hundred sixty billion, forty-three million, one hundred three thousand, five hundred forty-two".