161105042353 has 4 divisors (see below), whose sum is σ = 161108094448. Its totient is φ = 161101990260.

The previous prime is 161105042341. The next prime is 161105042369. The reversal of 161105042353 is 353240501161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 161105042353 - 2⁹ = 161105041841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161105042453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445451 + ... + 1552912.

It is an arithmetic number, because the mean of its divisors is an integer number (40277023612).

Almost surely, 2^161105042353 is an apocalyptic number.

It is an amenable number.

161105042353 is a deficient number, since it is larger than the sum of its proper divisors (3052095).

161105042353 is an equidigital number, since it uses as much as digits as its factorization.

161105042353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052094.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 161105042353 in words is "one hundred sixty-one billion, one hundred five million, forty-two thousand, three hundred fifty-three".