9768817616 has 40 divisors (see below), whose sum is σ = 19222936320. Its totient is φ = 4808162304.

The previous prime is 9768817607. The next prime is 9768817621. The reversal of 9768817616 is 6167188679.

It is a super-2 number, since 2×9768817616² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 2363840 + ... + 2367968.

It is an arithmetic number, because the mean of its divisors is an integer number (480573408).

Almost surely, 2^9768817616 is an apocalyptic number.

It is an amenable number.

9768817616 is a deficient number, since it is larger than the sum of its proper divisors (9454118704).

9768817616 is a wasteful number, since it uses less digits than its factorization.

9768817616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6411 (or 6405 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 59.

The square root of 9768817616 is about 98837.3290614432. The cubic root of 9768817616 is about 2137.7028379539.

The spelling of 9768817616 in words is "nine billion, seven hundred sixty-eight million, eight hundred seventeen thousand, six hundred sixteen".