9813706164 has 18 divisors (see below), whose sum is σ = 24806868450. Its totient is φ = 3271235376.

The previous prime is 9813706159. The next prime is 9813706183. The reversal of 9813706164 is 4616073189.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5140890000 + 4672816164 = 71700^2 + 68358^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136301439 + ... + 136301510.

Almost surely, 2^9813706164 is an apocalyptic number.

It is an amenable number.

9813706164 is an abundant number, since it is smaller than the sum of its proper divisors (14993162286).

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

9813706164 is a wasteful number, since it uses less digits than its factorization.

9813706164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272602959 (or 272602954 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 9813706164 is about 99064.1517603618. The cubic root of 9813706164 is about 2140.9721442751.

The spelling of 9813706164 in words is "nine billion, eight hundred thirteen million, seven hundred six thousand, one hundred sixty-four".