9145934664 has 32 divisors (see below), whose sum is σ = 22932705120. Its totient is φ = 3039595776.

The previous prime is 9145934663. The next prime is 9145934687. The reversal of 9145934664 is 4664395419.

It is not an unprimeable number, because it can be changed into a prime (9145934663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557314 + ... + 573489.

It is an arithmetic number, because the mean of its divisors is an integer number (716647035).

Almost surely, 2^9145934664 is an apocalyptic number.

It is an amenable number.

9145934664 is an abundant number, since it is smaller than the sum of its proper divisors (13786770456).

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

9145934664 is a wasteful number, since it uses less digits than its factorization.

9145934664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131149 (or 1131145 counting only the distinct ones).

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

The square root of 9145934664 is about 95634.3801360159. The cubic root of 9145934664 is about 2091.2664244522.

The spelling of 9145934664 in words is "nine billion, one hundred forty-five million, nine hundred thirty-four thousand, six hundred sixty-four".