9869670816 has 24 divisors (see below), whose sum is σ = 25907886144. Its totient is φ = 3289890240.

The previous prime is 9869670803. The next prime is 9869670983. The reversal of 9869670816 is 6180769689.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 9869670816.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51404440 + ... + 51404631.

It is an arithmetic number, because the mean of its divisors is an integer number (1079495256).

Almost surely, 2^9869670816 is an apocalyptic number.

9869670816 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

9869670816 is an abundant number, since it is smaller than the sum of its proper divisors (16038215328).

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

9869670816 is a wasteful number, since it uses less digits than its factorization.

9869670816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102809084 (or 102809076 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 60.

The square root of 9869670816 is about 99346.2169184111. The cubic root of 9869670816 is about 2145.0342085709.

The spelling of 9869670816 in words is "nine billion, eight hundred sixty-nine million, six hundred seventy thousand, eight hundred sixteen".