10818681 has 8 divisors (see below), whose sum is σ = 15273504. Its totient is φ = 6788160.

The previous prime is 10818641. The next prime is 10818683. The reversal of 10818681 is 18681801.

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

It is not a de Polignac number, because 10818681 - 2⁶ = 10818617 is a prime.

It is a super-2 number, since 2×10818681² = 234087717159522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10818683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106015 + ... + 106116.

It is an arithmetic number, because the mean of its divisors is an integer number (1909188).

Almost surely, 2^10818681 is an apocalyptic number.

It is an amenable number.

10818681 is a deficient number, since it is larger than the sum of its proper divisors (4454823).

10818681 is a wasteful number, since it uses less digits than its factorization.

10818681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212151.

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

The square root of 10818681 is about 3289.1763406665. The cubic root of 10818681 is about 221.1692635293.

The spelling of 10818681 in words is "ten million, eight hundred eighteen thousand, six hundred eighty-one".