161419882265 has 16 divisors (see below), whose sum is σ = 195590369280. Its totient is φ = 127881996480.

The previous prime is 161419882243. The next prime is 161419882279. The reversal of 161419882265 is 562288914161.

It is not a de Polignac number, because 161419882265 - 2¹⁴ = 161419865881 is a prime.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 108596 + ... + 578474.

It is an arithmetic number, because the mean of its divisors is an integer number (12224398080).

Almost surely, 2^161419882265 is an apocalyptic number.

It is an amenable number.

161419882265 is a deficient number, since it is larger than the sum of its proper divisors (34170487015).

161419882265 is a wasteful number, since it uses less digits than its factorization.

161419882265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470552.

The product of its digits is 1658880, while the sum is 53.

The spelling of 161419882265 in words is "one hundred sixty-one billion, four hundred nineteen million, eight hundred eighty-two thousand, two hundred sixty-five".