9925660098 has 24 divisors (see below), whose sum is σ = 21521854848. Its totient is φ = 3306052152.

The previous prime is 9925660039. The next prime is 9925660099. The reversal of 9925660098 is 8900665299.

9925660098 is a `hidden beast` number, since 9 + 9 + 25 + 6 + 600 + 9 + 8 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9925660099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183886 + ... + 231657.

It is an arithmetic number, because the mean of its divisors is an integer number (896743952).

Almost surely, 2^9925660098 is an apocalyptic number.

9925660098 is an abundant number, since it is smaller than the sum of its proper divisors (11596194750).

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

9925660098 is a wasteful number, since it uses less digits than its factorization.

9925660098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416878 (or 416875 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 9925660098 is about 99627.6071076687. The cubic root of 9925660098 is about 2149.0827237620.

The spelling of 9925660098 in words is "nine billion, nine hundred twenty-five million, six hundred sixty thousand, ninety-eight".