9664596646 has 8 divisors (see below), whose sum is σ = 14538434400. Its totient is φ = 4818451848.

The previous prime is 9664596607. The next prime is 9664596647. The reversal of 9664596646 is 6466954669.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9664596647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6922366 + ... + 6923761.

It is an arithmetic number, because the mean of its divisors is an integer number (1817304300).

Almost surely, 2^9664596646 is an apocalyptic number.

9664596646 is a deficient number, since it is larger than the sum of its proper divisors (4873837754).

9664596646 is a wasteful number, since it uses less digits than its factorization.

9664596646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13846478.

The product of its digits is 50388480, while the sum is 61.

The square root of 9664596646 is about 98308.6804203983. The cubic root of 9664596646 is about 2130.0734430656.

The spelling of 9664596646 in words is "nine billion, six hundred sixty-four million, five hundred ninety-six thousand, six hundred forty-six".