8818161 has 8 divisors (see below), whose sum is σ = 12826464. Its totient is φ = 5344320.

The previous prime is 8818153. The next prime is 8818163. The reversal of 8818161 is 1618188.

8818161 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8818161 - 2³ = 8818153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 267217 = 8818161 / (8 + 8 + 1 + 8 + 1 + 6 + 1).

8818161 is a lucky number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (8818163) 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, 133576 + ... + 133641.

It is an arithmetic number, because the mean of its divisors is an integer number (1603308).

Almost surely, 2^8818161 is an apocalyptic number.

It is an amenable number.

8818161 is a deficient number, since it is larger than the sum of its proper divisors (4008303).

8818161 is a wasteful number, since it uses less digits than its factorization.

8818161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267231.

The product of its digits is 3072, while the sum is 33.

The square root of 8818161 is about 2969.5388530881. The cubic root of 8818161 is about 206.5979500413.

The spelling of 8818161 in words is "eight million, eight hundred eighteen thousand, one hundred sixty-one".