165200855047 has 2 divisors, whose sum is σ = 165200855048. Its totient is φ = 165200855046.

The previous prime is 165200854991. The next prime is 165200855077. The reversal of 165200855047 is 740558002561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165200855047 - 2⁷ = 165200854919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165200854994 and 165200855012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165200855077) 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 as a sum of consecutive naturals, namely, 82600427523 + 82600427524.

It is an arithmetic number, because the mean of its divisors is an integer number (82600427524).

Almost surely, 2^165200855047 is an apocalyptic number.

165200855047 is a deficient number, since it is larger than the sum of its proper divisors (1).

165200855047 is an equidigital number, since it uses as much as digits as its factorization.

165200855047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336000, while the sum is 43.

The spelling of 165200855047 in words is "one hundred sixty-five billion, two hundred million, eight hundred fifty-five thousand, forty-seven".