9773320218664 has 16 divisors (see below), whose sum is σ = 18545758247520. Its totient is φ = 4827784686000.

The previous prime is 9773320218647. The next prime is 9773320218707. The reversal of 9773320218664 is 4668120233779.

It is a junction number, because it is equal to n+sod(n) for n = 9773320218599 and 9773320218608.

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, 7359427212 + ... + 7359428539.

It is an arithmetic number, because the mean of its divisors is an integer number (1159109890470).

Almost surely, 2^{9773320218664} is an apocalyptic number.

It is an amenable number.

9773320218664 is a deficient number, since it is larger than the sum of its proper divisors (8772438028856).

9773320218664 is a wasteful number, since it uses less digits than its factorization.

9773320218664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14718855840 (or 14718855836 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 9773320218664 in words is "nine trillion, seven hundred seventy-three billion, three hundred twenty million, two hundred eighteen thousand, six hundred sixty-four".