161069 has 8 divisors (see below), whose sum is σ = 172800. Its totient is φ = 149776.

The previous prime is 161059. The next prime is 161071. The reversal of 161069 is 960161.

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

It is not a de Polignac number, because 161069 - 2⁴ = 161053 is a prime.

It is a super-2 number, since 2×161069² = 51886445522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 161069.

It is not an unprimeable number, because it can be changed into a prime (161009) 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, 1007 + ... + 1155.

It is an arithmetic number, because the mean of its divisors is an integer number (21600).

2¹⁶¹⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

161069 is a deficient number, since it is larger than the sum of its proper divisors (11731).

161069 is a wasteful number, since it uses less digits than its factorization.

161069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 161069 is about 401.3340254701. The cubic root of 161069 is about 54.4089887468.

The spelling of 161069 in words is "one hundred sixty-one thousand, sixty-nine".