9995000664 has 64 divisors (see below), whose sum is σ = 27923978880. Its totient is φ = 2954912000.

The previous prime is 9995000663. The next prime is 9995000677. The reversal of 9995000664 is 4660005999.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9995000663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450882 + ... + 472529.

It is an arithmetic number, because the mean of its divisors is an integer number (436312170).

Almost surely, 2^9995000664 is an apocalyptic number.

It is an amenable number.

9995000664 is an abundant number, since it is smaller than the sum of its proper divisors (17928978216).

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

9995000664 is a wasteful number, since it uses less digits than its factorization.

9995000664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923472 (or 923468 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 9995000664 is about 99975.0001950488. Note that the first 3 decimals coincide. The cubic root of 9995000664 is about 2154.0756054222.

The spelling of 9995000664 in words is "nine billion, nine hundred ninety-five million, six hundred sixty-four", and thus it is an aban number.