10344543066 has 144 divisors (see below), whose sum is σ = 27629439552. Its totient is φ = 2767564800.

The previous prime is 10344543023. The next prime is 10344543091. The reversal of 10344543066 is 66034544301.

10344543066 is a `hidden beast` number, since 1 + 0 + 344 + 5 + 4 + 306 + 6 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 10344543066.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 762906 + ... + 776346.

It is an arithmetic number, because the mean of its divisors is an integer number (191871108).

Almost surely, 2^10344543066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10344543066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13814719776).

10344543066 is an abundant number, since it is smaller than the sum of its proper divisors (17284896486).

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

10344543066 is a wasteful number, since it uses less digits than its factorization.

10344543066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13509 (or 13493 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

It can be divided in two parts, 1034454 and 3066, that added together give a triangular number (1037520 = T₁₄₄₀).

The spelling of 10344543066 in words is "ten billion, three hundred forty-four million, five hundred forty-three thousand, sixty-six".