161095560058 has 4 divisors (see below), whose sum is σ = 241643340090. Its totient is φ = 80547780028.

The previous prime is 161095560047. The next prime is 161095560103. The reversal of 161095560058 is 850065590161.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 157056067809 + 4039492249 = 396303^2 + 63557^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40273890013 + ... + 40273890016.

Almost surely, 2^161095560058 is an apocalyptic number.

161095560058 is a deficient number, since it is larger than the sum of its proper divisors (80547780032).

161095560058 is an equidigital number, since it uses as much as digits as its factorization.

161095560058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80547780031.

The product of its (nonzero) digits is 324000, while the sum is 46.

The spelling of 161095560058 in words is "one hundred sixty-one billion, ninety-five million, five hundred sixty thousand, fifty-eight".