161236416241 has 16 divisors (see below), whose sum is σ = 178191183744. Its totient is φ = 145115207424.

The previous prime is 161236416217. The next prime is 161236416277. The reversal of 161236416241 is 142614632161.

161236416241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161236416241 - 2⁹ = 161236415729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 161236416241.

It is not an unprimeable number, because it can be changed into a prime (161236416941) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1462726 + ... + 1569088.

It is an arithmetic number, because the mean of its divisors is an integer number (11136948984).

Almost surely, 2^161236416241 is an apocalyptic number.

It is an amenable number.

161236416241 is a deficient number, since it is larger than the sum of its proper divisors (16954767503).

161236416241 is a wasteful number, since it uses less digits than its factorization.

161236416241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110280.

The product of its digits is 41472, while the sum is 37.

The spelling of 161236416241 in words is "one hundred sixty-one billion, two hundred thirty-six million, four hundred sixteen thousand, two hundred forty-one".