9706520816 has 20 divisors (see below), whose sum is σ = 18825277992. Its totient is φ = 4848384576.

The previous prime is 9706520807. The next prime is 9706520827. The reversal of 9706520816 is 6180256079.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288290 + ... + 320193.

Almost surely, 2^9706520816 is an apocalyptic number.

It is an amenable number.

9706520816 is a deficient number, since it is larger than the sum of its proper divisors (9118757176).

9706520816 is a wasteful number, since it uses less digits than its factorization.

9706520816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609488 (or 609482 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 9706520816 is about 98521.6768838209. The cubic root of 9706520816 is about 2133.1490238774.

The spelling of 9706520816 in words is "nine billion, seven hundred six million, five hundred twenty thousand, eight hundred sixteen".