9802168956 has 36 divisors (see below), whose sum is σ = 24848733000. Its totient is φ = 3258023328.

The previous prime is 9802168949. The next prime is 9802168997. The reversal of 9802168956 is 6598612089.

It is a happy number.

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, 377526 + ... + 402653.

Almost surely, 2^9802168956 is an apocalyptic number.

It is an amenable number.

9802168956 is an abundant number, since it is smaller than the sum of its proper divisors (15046564044).

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

9802168956 is a wasteful number, since it uses less digits than its factorization.

9802168956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780538 (or 780533 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The square root of 9802168956 is about 99005.9036421566. The cubic root of 9802168956 is about 2140.1328240265.

The spelling of 9802168956 in words is "nine billion, eight hundred two million, one hundred sixty-eight thousand, nine hundred fifty-six".