7639168966 has 32 divisors (see below), whose sum is σ = 13475732256. Its totient is φ = 3201984000.

The previous prime is 7639168919. The next prime is 7639168969. The reversal of 7639168966 is 6698619367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7639168969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278926 + ... + 305086.

It is an arithmetic number, because the mean of its divisors is an integer number (421116633).

Almost surely, 2^7639168966 is an apocalyptic number.

7639168966 is a deficient number, since it is larger than the sum of its proper divisors (5836563290).

7639168966 is a wasteful number, since it uses less digits than its factorization.

7639168966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27208.

The product of its digits is 17635968, while the sum is 61.

The square root of 7639168966 is about 87402.3395911116. The cubic root of 7639168966 is about 1969.4669867902.

The spelling of 7639168966 in words is "seven billion, six hundred thirty-nine million, one hundred sixty-eight thousand, nine hundred sixty-six".