9906199060 has 24 divisors (see below), whose sum is σ = 20839474656. Its totient is φ = 3955535520.

The previous prime is 9906199049. The next prime is 9906199067. The reversal of 9906199060 is 609916099.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9906198995 and 9906199013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9906199067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422302 + ... + 445141.

It is an arithmetic number, because the mean of its divisors is an integer number (868311444).

Almost surely, 2^9906199060 is an apocalyptic number.

It is an amenable number.

9906199060 is an abundant number, since it is smaller than the sum of its proper divisors (10933275596).

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

9906199060 is a wasteful number, since it uses less digits than its factorization.

9906199060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868023 (or 868021 counting only the distinct ones).

The product of its (nonzero) digits is 236196, while the sum is 49.

The square root of 9906199060 is about 99529.8902842759. The cubic root of 9906199060 is about 2147.6772506740.

The spelling of 9906199060 in words is "nine billion, nine hundred six million, one hundred ninety-nine thousand, sixty".