10666205732 has 72 divisors (see below), whose sum is σ = 23780272320. Its totient is φ = 4148020800.

The previous prime is 10666205723. The next prime is 10666205741. The reversal of 10666205732 is 23750266601.

It is an interprime number because it is at equal distance from previous prime (10666205723) and next prime (10666205741).

It is a super-2 number, since 2×10666205732² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114857 + ... + 185807.

It is an arithmetic number, because the mean of its divisors is an integer number (330281560).

Almost surely, 2^10666205732 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 10666205732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11890136160).

10666205732 is an abundant number, since it is smaller than the sum of its proper divisors (13114066588).

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

10666205732 is a wasteful number, since it uses less digits than its factorization.

10666205732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71041 (or 71032 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 10666205732 in words is "ten billion, six hundred sixty-six million, two hundred five thousand, seven hundred thirty-two".