9995556000 has 96 divisors (see below), whose sum is σ = 32745480768. Its totient is φ = 2665478400.

The previous prime is 9995555987. The next prime is 9995556047. The reversal of 9995556000 is 6555999.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×9995556000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404482 + ... + 428481.

It is an arithmetic number, because the mean of its divisors is an integer number (341098758).

Almost surely, 2^9995556000 is an apocalyptic number.

It is an amenable number.

9995556000 is an abundant number, since it is smaller than the sum of its proper divisors (22749924768).

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

9995556000 is a wasteful number, since it uses less digits than its factorization.

9995556000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832991 (or 832973 counting only the distinct ones).

The product of its (nonzero) digits is 546750, while the sum is 48.

The square root of 9995556000 is about 99977.7775308093. Note that the first 3 decimals coincide. The cubic root of 9995556000 is about 2154.1154991523.

The spelling of 9995556000 in words is "nine billion, nine hundred ninety-five million, five hundred fifty-six thousand".