9666945792 has 162 divisors, whose sum is σ = 32423127828. Its totient is φ = 2761952256.

The previous prime is 9666945767. The next prime is 9666945803. The reversal of 9666945792 is 2975496669.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 70083 + ... + 155709.

Almost surely, 2^9666945792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9666945792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16211563914).

9666945792 is an abundant number, since it is smaller than the sum of its proper divisors (22756182036).

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

9666945792 is a wasteful number, since it uses less digits than its factorization.

9666945792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85663 (or 85639 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

The square root of 9666945792 is about 98320.6275000318. The cubic root of 9666945792 is about 2130.2460127141.

The spelling of 9666945792 in words is "nine billion, six hundred sixty-six million, nine hundred forty-five thousand, seven hundred ninety-two".