10866655568958 has 96 divisors (see below), whose sum is σ = 25765032966912. Its totient is φ = 2992911298560.

The previous prime is 10866655568933. The next prime is 10866655569013. The reversal of 10866655568958 is 85986555666801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9849241 + ... + 10896827.

It is an arithmetic number, because the mean of its divisors is an integer number (268385760072).

Almost surely, 2^{10866655568958} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10866655568958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12882516483456).

10866655568958 is an abundant number, since it is smaller than the sum of its proper divisors (14898377397954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10866655568958 is a wasteful number, since it uses less digits than its factorization.

10866655568958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047918 (or 1047887 counting only the distinct ones).

The product of its (nonzero) digits is 3732480000, while the sum is 78.

The spelling of 10866655568958 in words is "ten trillion, eight hundred sixty-six billion, six hundred fifty-five million, five hundred sixty-eight thousand, nine hundred fifty-eight".