99143349760 has 480 divisors, whose sum is σ = 309838383360. Its totient is φ = 29708550144.

The previous prime is 99143349727. The next prime is 99143349761. The reversal of 99143349760 is 6794334199.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99143349761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57540259 + ... + 57541981.

It is an arithmetic number, because the mean of its divisors is an integer number (645496632).

Almost surely, 2^99143349760 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 99143349760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154919191680).

99143349760 is an abundant number, since it is smaller than the sum of its proper divisors (210695033600).

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

99143349760 is a wasteful number, since it uses less digits than its factorization.

99143349760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798 (or 1769 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 55.

The spelling of 99143349760 in words is "ninety-nine billion, one hundred forty-three million, three hundred forty-nine thousand, seven hundred sixty".