10661560118 has 8 divisors (see below), whose sum is σ = 17446189320. Its totient is φ = 4846163680.

The previous prime is 10661560109. The next prime is 10661560123. The reversal of 10661560118 is 81106516601.

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

It is a super-2 number, since 2×10661560118² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242308163 + ... + 242308206.

It is an arithmetic number, because the mean of its divisors is an integer number (2180773665).

Almost surely, 2^10661560118 is an apocalyptic number.

10661560118 is a deficient number, since it is larger than the sum of its proper divisors (6784629202).

10661560118 is a wasteful number, since it uses less digits than its factorization.

10661560118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484616382.

The product of its (nonzero) digits is 8640, while the sum is 35.

The spelling of 10661560118 in words is "ten billion, six hundred sixty-one million, five hundred sixty thousand, one hundred eighteen".