161914 has 8 divisors (see below), whose sum is σ = 246420. Its totient is φ = 79776.

The previous prime is 161911. The next prime is 161921. The reversal of 161914 is 419161.

It can be written as a sum of positive squares in 2 ways, for example, as 148225 + 13689 = 385^2 + 117^2 .

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

It is a super-2 number, since 2×161914² = 52432286792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161911) 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, 409 + ... + 700.

2¹⁶¹⁹¹⁴ is an apocalyptic number.

161914 is a deficient number, since it is larger than the sum of its proper divisors (84506).

161914 is a wasteful number, since it uses less digits than its factorization.

161914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184.

The product of its digits is 216, while the sum is 22.

The square root of 161914 is about 402.3853874086. The cubic root of 161914 is about 54.5039696348.

The spelling of 161914 in words is "one hundred sixty-one thousand, nine hundred fourteen".