799067166999 has 4 divisors (see below), whose sum is σ = 1065422889336. Its totient is φ = 532711444664.

The previous prime is 799067166991. The next prime is 799067167001. The reversal of 799067166999 is 999661760997.

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 799067166999 - 2³ = 799067166991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799067166991) 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 3 ways as a sum of consecutive naturals, for example, 133177861164 + ... + 133177861169.

It is an arithmetic number, because the mean of its divisors is an integer number (266355722334).

Almost surely, 2^799067166999 is an apocalyptic number.

799067166999 is a deficient number, since it is larger than the sum of its proper divisors (266355722337).

799067166999 is a wasteful number, since it uses less digits than its factorization.

799067166999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266355722336.

The product of its (nonzero) digits is 624974616, while the sum is 78.

The spelling of 799067166999 in words is "seven hundred ninety-nine billion, sixty-seven million, one hundred sixty-six thousand, nine hundred ninety-nine".