9958909016 has 32 divisors (see below), whose sum is σ = 21345120000. Its totient is φ = 4267183776.

The previous prime is 9958908931. The next prime is 9958909019. The reversal of 9958909016 is 6109098599.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a pancake number, because a pancake can be divided into 9958909016 parts by 141130 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9958909019) 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, 285875 + ... + 318813.

It is an arithmetic number, because the mean of its divisors is an integer number (667035000).

Almost surely, 2^9958909016 is an apocalyptic number.

It is an amenable number.

9958909016 is an abundant number, since it is smaller than the sum of its proper divisors (11386210984).

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

9958909016 is a wasteful number, since it uses less digits than its factorization.

9958909016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38351 (or 38347 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 56.

The square root of 9958909016 is about 99794.3335866321. Note that the first 3 decimals coincide. The cubic root of 9958909016 is about 2151.4797108491.

The spelling of 9958909016 in words is "nine billion, nine hundred fifty-eight million, nine hundred nine thousand, sixteen".