7983818016 has 24 divisors (see below), whose sum is σ = 20957522544. Its totient is φ = 2661272640.

The previous prime is 7983818009. The next prime is 7983818039. The reversal of 7983818016 is 6108183897.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×7983818016² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7983818016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41582290 + ... + 41582481.

It is an arithmetic number, because the mean of its divisors is an integer number (873230106).

Almost surely, 2^7983818016 is an apocalyptic number.

It is an amenable number.

7983818016 is an abundant number, since it is smaller than the sum of its proper divisors (12973704528).

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

7983818016 is a wasteful number, since it uses less digits than its factorization.

7983818016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83164784 (or 83164776 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The square root of 7983818016 is about 89352.2132686147. The cubic root of 7983818016 is about 1998.6505910859.

The spelling of 7983818016 in words is "seven billion, nine hundred eighty-three million, eight hundred eighteen thousand, sixteen".