13810161 has 8 divisors (see below), whose sum is σ = 18501664. Its totient is φ = 9162720.

The previous prime is 13810127. The next prime is 13810163. The reversal of 13810161 is 16101831.

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

It is not a de Polignac number, because 13810161 - 2¹⁰ = 13809137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13810163) 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, 10276 + ... + 11541.

It is an arithmetic number, because the mean of its divisors is an integer number (2312708).

Almost surely, 2^13810161 is an apocalyptic number.

It is an amenable number.

13810161 is a deficient number, since it is larger than the sum of its proper divisors (4691503).

13810161 is a wasteful number, since it uses less digits than its factorization.

13810161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22031.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 13810161 is about 3716.2024971737. The cubic root of 13810161 is about 239.9198864550.

Subtracting from 13810161 its sum of digits (21), we obtain a triangular number (13810140 = T₅₂₅₅).

Adding to 13810161 its reverse (16101831), we get a palindrome (29911992).

The spelling of 13810161 in words is "thirteen million, eight hundred ten thousand, one hundred sixty-one".