7866383616 has 432 divisors, whose sum is σ = 29570171904. Its totient is φ = 1951727616.

The previous prime is 7866383597. The next prime is 7866383647. The reversal of 7866383616 is 6163836687.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3563185 + ... + 3565391.

It is an arithmetic number, because the mean of its divisors is an integer number (68449472).

Almost surely, 2^7866383616 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 7866383616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14785085952).

7866383616 is an abundant number, since it is smaller than the sum of its proper divisors (21703788288).

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

7866383616 is a wasteful number, since it uses less digits than its factorization.

7866383616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266 (or 2249 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 7866383616 is about 88692.6356356603. The cubic root of 7866383616 is about 1988.8027288849.

The spelling of 7866383616 in words is "seven billion, eight hundred sixty-six million, three hundred eighty-three thousand, six hundred sixteen".