10817018661 has 8 divisors (see below), whose sum is σ = 14425945344. Its totient is φ = 7209718880.

The previous prime is 10817018629. The next prime is 10817018669. The reversal of 10817018661 is 16681071801.

10817018661 is digitally balanced in base 2, because in such base 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 a cyclic number.

It is not a de Polignac number, because 10817018661 - 2⁵ = 10817018629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10817018669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391125 + ... + 417866.

It is an arithmetic number, because the mean of its divisors is an integer number (1803243168).

Almost surely, 2^10817018661 is an apocalyptic number.

It is an amenable number.

10817018661 is a deficient number, since it is larger than the sum of its proper divisors (3608926683).

10817018661 is an equidigital number, since it uses as much as digits as its factorization.

10817018661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813451.

The product of its (nonzero) digits is 16128, while the sum is 39.

The spelling of 10817018661 in words is "ten billion, eight hundred seventeen million, eighteen thousand, six hundred sixty-one".