161320102398241 has 8 divisors (see below), whose sum is σ = 169346416953600. Its totient is φ = 153470190360720.

The previous prime is 161320102398239. The next prime is 161320102398253. The reversal of 161320102398241 is 142893201023161.

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

It is a cyclic number.

It is not a de Polignac number, because 161320102398241 - 2¹ = 161320102398239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161320102398281) 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, 44100627586 + ... + 44100631243.

It is an arithmetic number, because the mean of its divisors is an integer number (21168302119200).

Almost surely, 2^{161320102398241} is an apocalyptic number.

It is an amenable number.

161320102398241 is a deficient number, since it is larger than the sum of its proper divisors (8026314555359).

161320102398241 is an equidigital number, since it uses as much as digits as its factorization.

161320102398241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88201258919.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 161320102398241 in words is "one hundred sixty-one trillion, three hundred twenty billion, one hundred two million, three hundred ninety-eight thousand, two hundred forty-one".