161000832269 has 4 divisors (see below), whose sum is σ = 163206323196. Its totient is φ = 158795341344.

The previous prime is 161000832253. The next prime is 161000832271. The reversal of 161000832269 is 962238000161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 962238000161 = 3911 ⋅246033751.

It can be written as a sum of positive squares in 2 ways, for example, as 85417076644 + 75583755625 = 292262^2 + 274925^2 .

It is a cyclic number.

It is not a de Polignac number, because 161000832269 - 2⁴ = 161000832253 is a prime.

It is a super-2 number, since 2×161000832269² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161000832869) 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, 1102745354 + ... + 1102745499.

It is an arithmetic number, because the mean of its divisors is an integer number (40801580799).

Almost surely, 2^161000832269 is an apocalyptic number.

It is an amenable number.

161000832269 is a deficient number, since it is larger than the sum of its proper divisors (2205490927).

161000832269 is an equidigital number, since it uses as much as digits as its factorization.

161000832269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205490926.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 161000832269 in words is "one hundred sixty-one billion, eight hundred thirty-two thousand, two hundred sixty-nine".