10320161 has 4 divisors (see below), whose sum is σ = 10356912. Its totient is φ = 10283412.

The previous prime is 10320157. The next prime is 10320199. The reversal of 10320161 is 16102301.

10320161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 16102301 = 53 ⋅303817.

It is a cyclic number.

It is not a de Polignac number, because 10320161 - 2² = 10320157 is a prime.

It is a super-4 number, since 4×10320161⁴ (a number of 29 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10320131) 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, 17951 + ... + 18516.

It is an arithmetic number, because the mean of its divisors is an integer number (2589228).

Almost surely, 2^10320161 is an apocalyptic number.

It is an amenable number.

10320161 is a deficient number, since it is larger than the sum of its proper divisors (36751).

10320161 is an equidigital number, since it uses as much as digits as its factorization.

10320161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36750.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 10320161 is about 3212.5007392995. The cubic root of 10320161 is about 217.7185788717.

Adding to 10320161 its reverse (16102301), we get a palindrome (26422462).

The spelling of 10320161 in words is "ten million, three hundred twenty thousand, one hundred sixty-one".