9661130925 has 48 divisors (see below), whose sum is σ = 16827256320. Its totient is φ = 4877496000.

The previous prime is 9661130891. The next prime is 9661130953. The reversal of 9661130925 is 5290311669.

It is not a de Polignac number, because 9661130925 - 2¹³ = 9661122733 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2749920 + ... + 2753430.

It is an arithmetic number, because the mean of its divisors is an integer number (350567840).

Almost surely, 2^9661130925 is an apocalyptic number.

9661130925 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9661130925 is a deficient number, since it is larger than the sum of its proper divisors (7166125395).

9661130925 is a wasteful number, since it uses less digits than its factorization.

9661130925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474 (or 5469 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 9661130925 is about 98291.0521105558. The cubic root of 9661130925 is about 2129.8187980924.

The spelling of 9661130925 in words is "nine billion, six hundred sixty-one million, one hundred thirty thousand, nine hundred twenty-five".