799952676366161 has 16 divisors (see below), whose sum is σ = 830797882831440. Its totient is φ = 769325139394560.

The previous prime is 799952676366157. The next prime is 799952676366281. The reversal of 799952676366161 is 161663676259997.

It can be written as a sum of positive squares in 8 ways, for example, as 82001283367936 + 717951392998225 = 9055456^2 + 26794615^2 .

It is a cyclic number.

It is not a de Polignac number, because 799952676366161 - 2² = 799952676366157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 799952676366161.

It is not an unprimeable number, because it can be changed into a prime (799952676366121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150327815 + ... + 155558211.

It is an arithmetic number, because the mean of its divisors is an integer number (51924867676965).

Almost surely, 2^{799952676366161} is an apocalyptic number.

It is an amenable number.

799952676366161 is a deficient number, since it is larger than the sum of its proper divisors (30845206465279).

799952676366161 is a wasteful number, since it uses less digits than its factorization.

799952676366161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251204.

The product of its digits is 8332994880, while the sum is 83.

The spelling of 799952676366161 in words is "seven hundred ninety-nine trillion, nine hundred fifty-two billion, six hundred seventy-six million, three hundred sixty-six thousand, one hundred sixty-one".