9544692066 has 96 divisors (see below), whose sum is σ = 25173005760. Its totient is φ = 2384774784.

The previous prime is 9544692049. The next prime is 9544692071. The reversal of 9544692066 is 6602964459.

It is a happy number.

It is a super-2 number, since 2×9544692066² (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 47 ways as a sum of consecutive naturals, for example, 6900 + ... + 138336.

It is an arithmetic number, because the mean of its divisors is an integer number (262218810).

Almost surely, 2^9544692066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9544692066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12586502880).

9544692066 is an abundant number, since it is smaller than the sum of its proper divisors (15628313694).

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

9544692066 is a wasteful number, since it uses less digits than its factorization.

9544692066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131488 (or 131481 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 51.

The square root of 9544692066 is about 97696.9399008997. The cubic root of 9544692066 is about 2121.2277854457.

The spelling of 9544692066 in words is "nine billion, five hundred forty-four million, six hundred ninety-two thousand, sixty-six".