9816536916 has 36 divisors (see below), whose sum is σ = 26273673972. Its totient is φ = 3079697664.

The previous prime is 9816536909. The next prime is 9816536921. The reversal of 9816536916 is 6196356189.

9816536916 is a `hidden beast` number, since 9 + 8 + 16 + 536 + 91 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4041144900 + 5775392016 = 63570^2 + 75996^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8019435 + ... + 8020658.

It is an arithmetic number, because the mean of its divisors is an integer number (729824277).

Almost surely, 2^9816536916 is an apocalyptic number.

It is an amenable number.

9816536916 is an abundant number, since it is smaller than the sum of its proper divisors (16457137056).

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

9816536916 is a wasteful number, since it uses less digits than its factorization.

9816536916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16040120 (or 16040115 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 9816536916 is about 99078.4381992369. The cubic root of 9816536916 is about 2141.1779781178.

The spelling of 9816536916 in words is "nine billion, eight hundred sixteen million, five hundred thirty-six thousand, nine hundred sixteen".