9806816845562 has 32 divisors (see below), whose sum is σ = 16576774156800. Its totient is φ = 4310829835200.

The previous prime is 9806816845541. The next prime is 9806816845583. The reversal of 9806816845562 is 2655486186089.

It is an interprime number because it is at equal distance from previous prime (9806816845541) and next prime (9806816845583).

It is a junction number, because it is equal to n+sod(n) for n = 9806816845492 and 9806816845501.

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, 4056737 + ... + 6005892.

It is an arithmetic number, because the mean of its divisors is an integer number (518024192400).

Almost surely, 2^{9806816845562} is an apocalyptic number.

9806816845562 is a deficient number, since it is larger than the sum of its proper divisors (6769957311238).

9806816845562 is a wasteful number, since it uses less digits than its factorization.

9806816845562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10064102.

The product of its (nonzero) digits is 199065600, while the sum is 68.

The spelling of 9806816845562 in words is "nine trillion, eight hundred six billion, eight hundred sixteen million, eight hundred forty-five thousand, five hundred sixty-two".