7668297091 has 36 divisors (see below), whose sum is σ = 9696991392. Its totient is φ = 6043512384.

The previous prime is 7668297071. The next prime is 7668297121. The reversal of 7668297091 is 1907928667.

It is not a de Polignac number, because 7668297091 - 2⁵ = 7668297059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7668297011) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2292166 + ... + 2295508.

It is an arithmetic number, because the mean of its divisors is an integer number (269360872).

Almost surely, 2^7668297091 is an apocalyptic number.

7668297091 is a deficient number, since it is larger than the sum of its proper divisors (2028694301).

7668297091 is a wasteful number, since it uses less digits than its factorization.

7668297091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660 (or 3640 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 55.

The square root of 7668297091 is about 87568.8134611861. The cubic root of 7668297091 is about 1971.9670022436.

The spelling of 7668297091 in words is "seven billion, six hundred sixty-eight million, two hundred ninety-seven thousand, ninety-one".