9966071 has 8 divisors (see below), whose sum is σ = 10160640. Its totient is φ = 9773568.

The previous prime is 9966037. The next prime is 9966091. The reversal of 9966071 is 1706699.

9966071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9966071 - 2⁶ = 9966007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9966001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11915 + ... + 12723.

It is an arithmetic number, because the mean of its divisors is an integer number (1270080).

Almost surely, 2^9966071 is an apocalyptic number.

9966071 is a deficient number, since it is larger than the sum of its proper divisors (194569).

9966071 is a wasteful number, since it uses less digits than its factorization.

9966071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 9966071 is about 3156.9084560690. The cubic root of 9966071 is about 215.1995335299.

The spelling of 9966071 in words is "nine million, nine hundred sixty-six thousand, seventy-one".