9961088418 has 24 divisors (see below), whose sum is σ = 21878009868. Its totient is φ = 3274877952.

The previous prime is 9961088407. The next prime is 9961088429. The reversal of 9961088418 is 8148801699.

9961088418 is a `hidden beast` number, since 9 + 9 + 610 + 8 + 8 + 4 + 18 = 666.

It is an interprime number because it is at equal distance from previous prime (9961088407) and next prime (9961088429).

It can be written as a sum of positive squares in 2 ways, for example, as 9937497969 + 23590449 = 99687^2 + 4857^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3789055 + ... + 3791682.

Almost surely, 2^9961088418 is an apocalyptic number.

9961088418 is an abundant number, since it is smaller than the sum of its proper divisors (11916921450).

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

9961088418 is a wasteful number, since it uses less digits than its factorization.

9961088418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580818 (or 7580815 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 54.

The square root of 9961088418 is about 99805.2524569724. The cubic root of 9961088418 is about 2151.6366422686.

The spelling of 9961088418 in words is "nine billion, nine hundred sixty-one million, eighty-eight thousand, four hundred eighteen".