10866389776 has 40 divisors (see below), whose sum is σ = 22994715744. Its totient is φ = 4933436160.

The previous prime is 10866389747. The next prime is 10866389827. The reversal of 10866389776 is 67798366801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114811 + ... + 186853.

Almost surely, 2^10866389776 is an apocalyptic number.

10866389776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10866389776 is an abundant number, since it is smaller than the sum of its proper divisors (12128325968).

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

10866389776 is a wasteful number, since it uses less digits than its factorization.

10866389776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72919 (or 72913 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 10866389776 in words is "ten billion, eight hundred sixty-six million, three hundred eighty-nine thousand, seven hundred seventy-six".