10543440066 has 16 divisors (see below), whose sum is σ = 21444285600. Its totient is φ = 3454912448.

The previous prime is 10543440053. The next prime is 10543440077. The reversal of 10543440066 is 66004434501.

It is a super-2 number, since 2×10543440066² (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 7 ways as a sum of consecutive naturals, for example, 14891511 + ... + 14892218.

It is an arithmetic number, because the mean of its divisors is an integer number (1340267850).

Almost surely, 2^10543440066 is an apocalyptic number.

10543440066 is an abundant number, since it is smaller than the sum of its proper divisors (10900845534).

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

10543440066 is a wasteful number, since it uses less digits than its factorization.

10543440066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29783793.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 10543440066 its reverse (66004434501), we get a palindrome (76547874567).

The spelling of 10543440066 in words is "ten billion, five hundred forty-three million, four hundred forty thousand, sixty-six".