7666632899 has 4 divisors (see below), whose sum is σ = 7666814136. Its totient is φ = 7666451664.

The previous prime is 7666632863. The next prime is 7666632913. The reversal of 7666632899 is 9982366667.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7666632899 - 2⁸ = 7666632643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7666638899) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10292 + ... + 124254.

It is an arithmetic number, because the mean of its divisors is an integer number (1916703534).

Almost surely, 2^7666632899 is an apocalyptic number.

7666632899 is a deficient number, since it is larger than the sum of its proper divisors (181237).

7666632899 is a wasteful number, since it uses less digits than its factorization.

7666632899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181236.

The product of its digits is 35271936, while the sum is 62.

The square root of 7666632899 is about 87559.3107499140. The cubic root of 7666632899 is about 1971.8243382726.

The spelling of 7666632899 in words is "seven billion, six hundred sixty-six million, six hundred thirty-two thousand, eight hundred ninety-nine".