9816670404 has 72 divisors (see below), whose sum is σ = 25729704000. Its totient is φ = 3152044224.

The previous prime is 9816670393. The next prime is 9816670427. The reversal of 9816670404 is 4040766189.

It is a self number, because there is not a number n which added to its sum of digits gives 9816670404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 447607 + ... + 469025.

It is an arithmetic number, because the mean of its divisors is an integer number (357357000).

Almost surely, 2^9816670404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9816670404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12864852000).

9816670404 is an abundant number, since it is smaller than the sum of its proper divisors (15913033596).

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

9816670404 is a wasteful number, since it uses less digits than its factorization.

9816670404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21897 (or 21892 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 9816670404 is about 99079.1118450302. Note that the first 3 decimals coincide. The cubic root of 9816670404 is about 2141.1876835184.

The spelling of 9816670404 in words is "nine billion, eight hundred sixteen million, six hundred seventy thousand, four hundred four".