9659952198 has 48 divisors (see below), whose sum is σ = 22598044560. Its totient is φ = 2964624192.

The previous prime is 9659952187. The next prime is 9659952199. The reversal of 9659952198 is 8912599569.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9659952199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37965 + ... + 144087.

It is an arithmetic number, because the mean of its divisors is an integer number (470792595).

Almost surely, 2^9659952198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9659952198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11299022280).

9659952198 is an abundant number, since it is smaller than the sum of its proper divisors (12938092362).

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

9659952198 is a wasteful number, since it uses less digits than its factorization.

9659952198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106533 (or 106530 counting only the distinct ones).

The product of its digits is 15746400, while the sum is 63.

The square root of 9659952198 is about 98285.0558223375. The cubic root of 9659952198 is about 2129.7321768660.

The spelling of 9659952198 in words is "nine billion, six hundred fifty-nine million, nine hundred fifty-two thousand, one hundred ninety-eight".