161443234560201 has 8 divisors (see below), whose sum is σ = 234826522996704. Its totient is φ = 97844384581920.

The previous prime is 161443234560199. The next prime is 161443234560239. The reversal of 161443234560201 is 102065432344161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161443234560201 - 2¹ = 161443234560199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161443234560241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2446109614516 + ... + 2446109614581.

It is an arithmetic number, because the mean of its divisors is an integer number (29353315374588).

Almost surely, 2^{161443234560201} is an apocalyptic number.

161443234560201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

161443234560201 is a deficient number, since it is larger than the sum of its proper divisors (73383288436503).

161443234560201 is a wasteful number, since it uses less digits than its factorization.

161443234560201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892219229111.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 161443234560201 in words is "one hundred sixty-one trillion, four hundred forty-three billion, two hundred thirty-four million, five hundred sixty thousand, two hundred one".