161416 has 8 divisors (see below), whose sum is σ = 302670. Its totient is φ = 80704.

The previous prime is 161411. The next prime is 161453. The reversal of 161416 is 614161.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 125316 + 36100 = 354^2 + 190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 161393 and 161402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10081 + ... + 10096.

2¹⁶¹⁴¹⁶ is an apocalyptic number.

It is an amenable number.

161416 is a deficient number, since it is larger than the sum of its proper divisors (141254).

161416 is a wasteful number, since it uses less digits than its factorization.

161416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20183 (or 20179 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 161416 is about 401.7661011086. The cubic root of 161416 is about 54.4480328361.

Adding to 161416 its reverse (614161), we get a palindrome (775577).

The spelling of 161416 in words is "one hundred sixty-one thousand, four hundred sixteen".