10666583408 has 80 divisors (see below), whose sum is σ = 23336173056. Its totient is φ = 4686232320.

The previous prime is 10666583387. The next prime is 10666583449. The reversal of 10666583408 is 80438566601.

It is a super-2 number, since 2×10666583408² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004141 + ... + 1014707.

Almost surely, 2^10666583408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10666583408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11668086528).

10666583408 is an abundant number, since it is smaller than the sum of its proper divisors (12669589648).

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

10666583408 is a wasteful number, since it uses less digits than its factorization.

10666583408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10822 (or 10816 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 10666583408 in words is "ten billion, six hundred sixty-six million, five hundred eighty-three thousand, four hundred eight".