9664615437048 has 576 divisors, whose sum is σ = 33015145363200. Its totient is φ = 2525679636480.

The previous prime is 9664615437023. The next prime is 9664615437109. The reversal of 9664615437048 is 8407345164669.

9664615437048 is a `hidden beast` number, since 9 + 6 + 6 + 4 + 615 + 4 + 3 + 7 + 0 + 4 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 132339168 + ... + 132412176.

It is an arithmetic number, because the mean of its divisors is an integer number (57317960700).

Almost surely, 2^{9664615437048} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9664615437048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16507572681600).

9664615437048 is an abundant number, since it is smaller than the sum of its proper divisors (23350529926152).

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

9664615437048 is a wasteful number, since it uses less digits than its factorization.

9664615437048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73124 (or 73104 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 63.

The spelling of 9664615437048 in words is "nine trillion, six hundred sixty-four billion, six hundred fifteen million, four hundred thirty-seven thousand, forty-eight".