14720161 has 4 divisors (see below), whose sum is σ = 15360192. Its totient is φ = 14080132.

The previous prime is 14720137. The next prime is 14720177. The reversal of 14720161 is 16102741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16102741 = 1801 ⋅8941.

It is a cyclic number.

It is not a de Polignac number, because 14720161 - 2⁷ = 14720033 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14720131) 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, 319981 + ... + 320026.

It is an arithmetic number, because the mean of its divisors is an integer number (3840048).

Almost surely, 2^14720161 is an apocalyptic number.

It is an amenable number.

14720161 is a deficient number, since it is larger than the sum of its proper divisors (640031).

14720161 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 8 representation: 14720161 = (70116241)₈.

14720161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640030.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 14720161 is about 3836.6862003557. The cubic root of 14720161 is about 245.0779205159.

The spelling of 14720161 in words is "fourteen million, seven hundred twenty thousand, one hundred sixty-one".