9544402203066 has 24 divisors (see below), whose sum is σ = 20679718079124. Its totient is φ = 3181439712960.

The previous prime is 9544402203047. The next prime is 9544402203071. The reversal of 9544402203066 is 6603022044459.

9544402203066 is a `hidden beast` number, since 9 + 544 + 40 + 2 + 2 + 0 + 3 + 0 + 66 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9424562303025 + 119839900041 = 3069945^2 + 346179^2 .

It is a super-2 number, since 2×9544402203066² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125875 + ... + 4370886.

Almost surely, 2^{9544402203066} is an apocalyptic number.

9544402203066 is an abundant number, since it is smaller than the sum of its proper divisors (11135315876058).

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

9544402203066 is a wasteful number, since it uses less digits than its factorization.

9544402203066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4614686 (or 4614683 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 9544402203066 in words is "nine trillion, five hundred forty-four billion, four hundred two million, two hundred three thousand, sixty-six".