161342023266 has 12 divisors (see below), whose sum is σ = 349574383782. Its totient is φ = 53780674416.

The previous prime is 161342023207. The next prime is 161342023277. The reversal of 161342023266 is 662320243161.

161342023266 is a `hidden beast` number, since 1 + 613 + 4 + 2 + 0 + 2 + 32 + 6 + 6 = 666.

161342023266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 160004000025 + 1338023241 = 400005^2 + 36579^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 161342023266.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4481722851 + ... + 4481722886.

Almost surely, 2^161342023266 is an apocalyptic number.

161342023266 is an abundant number, since it is smaller than the sum of its proper divisors (188232360516).

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

161342023266 is a wasteful number, since it uses less digits than its factorization.

161342023266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8963445745 (or 8963445742 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 161342023266 in words is "one hundred sixty-one billion, three hundred forty-two million, twenty-three thousand, two hundred sixty-six".