9802168992 has 768 divisors, whose sum is σ = 38563983360. Its totient is φ = 2373857280.

The previous prime is 9802168949. The next prime is 9802168997. The reversal of 9802168992 is 2998612089.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (9802168997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 91609003 + ... + 91609109.

It is an arithmetic number, because the mean of its divisors is an integer number (50213520).

Almost surely, 2^9802168992 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 9802168992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19281991680).

9802168992 is an abundant number, since it is smaller than the sum of its proper divisors (28761814368).

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

9802168992 is a wasteful number, since it uses less digits than its factorization.

9802168992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 9802168992 is about 99005.9038239640. The cubic root of 9802168992 is about 2140.1328266464.

The spelling of 9802168992 in words is "nine billion, eight hundred two million, one hundred sixty-eight thousand, nine hundred ninety-two".