165790800029 has 2 divisors, whose sum is σ = 165790800030. Its totient is φ = 165790800028.

The previous prime is 165790799989. The next prime is 165790800037. The reversal of 165790800029 is 920008097561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140437562500 + 25353237529 = 374750^2 + 159227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165790800029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165790700029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82895400014 + 82895400015.

It is an arithmetic number, because the mean of its divisors is an integer number (82895400015).

Almost surely, 2^165790800029 is an apocalyptic number.

It is an amenable number.

165790800029 is a deficient number, since it is larger than the sum of its proper divisors (1).

165790800029 is an equidigital number, since it uses as much as digits as its factorization.

165790800029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 165790800029 in words is "one hundred sixty-five billion, seven hundred ninety million, eight hundred thousand, twenty-nine".