39663399168 has 288 divisors, whose sum is σ = 122914713600. Its totient is φ = 12592318464.

The previous prime is 39663399103. The next prime is 39663399169. The reversal of 39663399168 is 86199336693.

It is a tau number, because it is divible by the number of its divisors (288).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (39663399169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55164313 + ... + 55165031.

It is an arithmetic number, because the mean of its divisors is an integer number (426787200).

Almost surely, 2^39663399168 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 39663399168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61457356800).

39663399168 is an abundant number, since it is smaller than the sum of its proper divisors (83251314432).

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

39663399168 is a wasteful number, since it uses less digits than its factorization.

39663399168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114 (or 1094 counting only the distinct ones).

The product of its digits is 34012224, while the sum is 63.

The spelling of 39663399168 in words is "thirty-nine billion, six hundred sixty-three million, three hundred ninety-nine thousand, one hundred sixty-eight".