9994111664 has 20 divisors (see below), whose sum is σ = 19365226320. Its totient is φ = 4996633920.

The previous prime is 9994111613. The next prime is 9994111681. The reversal of 9994111664 is 4661114999.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269954 + ... + 304734.

It is an arithmetic number, because the mean of its divisors is an integer number (968261316).

Almost surely, 2^9994111664 is an apocalyptic number.

It is an amenable number.

9994111664 is a deficient number, since it is larger than the sum of its proper divisors (9371114656).

9994111664 is a wasteful number, since it uses less digits than its factorization.

9994111664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52748 (or 52742 counting only the distinct ones).

The product of its digits is 419904, while the sum is 50.

The square root of 9994111664 is about 99970.5539846609. The cubic root of 9994111664 is about 2154.0117391603.

The spelling of 9994111664 in words is "nine billion, nine hundred ninety-four million, one hundred eleven thousand, six hundred sixty-four".