9661814732 has 24 divisors (see below), whose sum is σ = 17089675680. Its totient is φ = 4779129600.

The previous prime is 9661814719. The next prime is 9661814737. The reversal of 9661814732 is 2374181669.

It is not an unprimeable number, because it can be changed into a prime (9661814737) 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, 514769 + ... + 533207.

It is an arithmetic number, because the mean of its divisors is an integer number (712069820).

Almost surely, 2^9661814732 is an apocalyptic number.

It is an amenable number.

9661814732 is a deficient number, since it is larger than the sum of its proper divisors (7427860948).

9661814732 is a wasteful number, since it uses less digits than its factorization.

9661814732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19841 (or 19839 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 9661814732 is about 98294.5305294247. The cubic root of 9661814732 is about 2129.8690458551.

The spelling of 9661814732 in words is "nine billion, six hundred sixty-one million, eight hundred fourteen thousand, seven hundred thirty-two".