10816081 has 8 divisors (see below), whose sum is σ = 11148840. Its totient is φ = 10488192.

The previous prime is 10816079. The next prime is 10816103. The reversal of 10816081 is 18061801.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 576081 + 10240000 = 759^2 + 3200^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10816081 - 2¹ = 10816079 is a prime.

It is a super-2 number, since 2×10816081² = 233975216397122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10816031) 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, 3571 + ... + 5863.

It is an arithmetic number, because the mean of its divisors is an integer number (1393605).

Almost surely, 2^10816081 is an apocalyptic number.

It is an amenable number.

10816081 is a deficient number, since it is larger than the sum of its proper divisors (332759).

10816081 is an equidigital number, since it uses as much as digits as its factorization.

10816081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435.

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 10816081 is about 3288.7810811910. The cubic root of 10816081 is about 221.1515446054.

Adding to 10816081 its reverse (18061801), we get a palindrome (28877882).

It can be divided in two parts, 108160 and 81, that added together give a square (108241 = 329²).

The spelling of 10816081 in words is "ten million, eight hundred sixteen thousand, eighty-one".