7686133664 has 24 divisors (see below), whose sum is σ = 16507719648. Its totient is φ = 3493696960.

The previous prime is 7686133661. The next prime is 7686133699. The reversal of 7686133664 is 4663316867.

It is not an unprimeable number, because it can be changed into a prime (7686133661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10917452 + ... + 10918155.

It is an arithmetic number, because the mean of its divisors is an integer number (687821652).

Almost surely, 2^7686133664 is an apocalyptic number.

It is an amenable number.

7686133664 is an abundant number, since it is smaller than the sum of its proper divisors (8821585984).

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

7686133664 is a wasteful number, since it uses less digits than its factorization.

7686133664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21835628 (or 21835620 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 50.

The square root of 7686133664 is about 87670.5974885537. The cubic root of 7686133664 is about 1973.4947598444.

It can be divided in two parts, 768613 and 3664, that added together give a palindrome (772277).

The spelling of 7686133664 in words is "seven billion, six hundred eighty-six million, one hundred thirty-three thousand, six hundred sixty-four".