161150067161 has 8 divisors (see below), whose sum is σ = 163563343584. Its totient is φ = 158737027680.

The previous prime is 161150067137. The next prime is 161150067173. The reversal of 161150067161 is 161760051161.

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 161150067161 - 2¹⁴ = 161150050777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161150067181) 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, 1698566 + ... + 1790928.

It is an arithmetic number, because the mean of its divisors is an integer number (20445417948).

Almost surely, 2^161150067161 is an apocalyptic number.

It is an amenable number.

161150067161 is a deficient number, since it is larger than the sum of its proper divisors (2413276423).

161150067161 is an equidigital number, since it uses as much as digits as its factorization.

161150067161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118471.

The product of its (nonzero) digits is 7560, while the sum is 35.

The spelling of 161150067161 in words is "one hundred sixty-one billion, one hundred fifty million, sixty-seven thousand, one hundred sixty-one".