8236683664 has 80 divisors (see below), whose sum is σ = 18048505536. Its totient is φ = 3608409600.

The previous prime is 8236683647. The next prime is 8236683677. The reversal of 8236683664 is 4663866328.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690874 + ... + 702694.

Almost surely, 2^8236683664 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 8236683664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9024252768).

8236683664 is an abundant number, since it is smaller than the sum of its proper divisors (9811821872).

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

8236683664 is a wasteful number, since it uses less digits than its factorization.

8236683664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11984 (or 11978 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 52.

The square root of 8236683664 is about 90756.1770018989. The cubic root of 8236683664 is about 2019.5322630386.

The spelling of 8236683664 in words is "eight billion, two hundred thirty-six million, six hundred eighty-three thousand, six hundred sixty-four".