161362202263161 has 8 divisors (see below), whose sum is σ = 215246473626624. Its totient is φ = 107526366204240.

The previous prime is 161362202263133. The next prime is 161362202263181.

161362202263161 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 161362202263161 - 2²⁷ = 161362068045433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161362202263121) 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, 12108818361 + ... + 12108831686.

It is an arithmetic number, because the mean of its divisors is an integer number (26905809203328).

Almost surely, 2^{161362202263161} is an apocalyptic number.

It is an amenable number.

161362202263161 is a deficient number, since it is larger than the sum of its proper divisors (53884271363463).

161362202263161 is a wasteful number, since it uses less digits than its factorization.

161362202263161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24217652271.

The product of its (nonzero) digits is 186624, while the sum is 42.

It can be divided in two parts, 16136220 and 2263161, that added together give a palindrome (18399381).

The spelling of 161362202263161 in words is "one hundred sixty-one trillion, three hundred sixty-two billion, two hundred two million, two hundred sixty-three thousand, one hundred sixty-one".