807824161 has 2 divisors, whose sum is σ = 807824162. Its totient is φ = 807824160.

The previous prime is 807824141. The next prime is 807824183. The reversal of 807824161 is 161428708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 784000000 + 23824161 = 28000^2 + 4881^2 .

It is a cyclic number.

It is not a de Polignac number, because 807824161 - 2⁹ = 807823649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 807824161.

It is not a weakly prime, because it can be changed into another prime (807824111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403912080 + 403912081.

It is an arithmetic number, because the mean of its divisors is an integer number (403912081).

Almost surely, 2^807824161 is an apocalyptic number.

It is an amenable number.

807824161 is a deficient number, since it is larger than the sum of its proper divisors (1).

807824161 is an equidigital number, since it uses as much as digits as its factorization.

807824161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 807824161 is about 28422.2476415923. The cubic root of 807824161 is about 931.3343319812.

The spelling of 807824161 in words is "eight hundred seven million, eight hundred twenty-four thousand, one hundred sixty-one".