9664404181352 has 64 divisors (see below), whose sum is σ = 19110455900160. Its totient is φ = 4575829708800.

The previous prime is 9664404181351. The next prime is 9664404181391. The reversal of 9664404181352 is 2531814044669.

It is a junction number, because it is equal to n+sod(n) for n = 9664404181294 and 9664404181303.

It is not an unprimeable number, because it can be changed into a prime (9664404181351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1264673 + ... + 4574735.

It is an arithmetic number, because the mean of its divisors is an integer number (298600873440).

Almost surely, 2^{9664404181352} is an apocalyptic number.

It is an amenable number.

9664404181352 is a deficient number, since it is larger than the sum of its proper divisors (9446051718808).

9664404181352 is a wasteful number, since it uses less digits than its factorization.

9664404181352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310354 (or 3310350 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 53.

The spelling of 9664404181352 in words is "nine trillion, six hundred sixty-four billion, four hundred four million, one hundred eighty-one thousand, three hundred fifty-two".