165474673229 has 2 divisors, whose sum is σ = 165474673230. Its totient is φ = 165474673228.

The previous prime is 165474673123. The next prime is 165474673267. The reversal of 165474673229 is 922376474561.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113486113129 + 51988560100 = 336877^2 + 228010^2 .

It is an emirp because it is prime and its reverse (922376474561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165474673229 - 2²⁸ = 165206237773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165474273229) 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, 82737336614 + 82737336615.

It is an arithmetic number, because the mean of its divisors is an integer number (82737336615).

Almost surely, 2^165474673229 is an apocalyptic number.

It is an amenable number.

165474673229 is a deficient number, since it is larger than the sum of its proper divisors (1).

165474673229 is an equidigital number, since it uses as much as digits as its factorization.

165474673229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15240960, while the sum is 56.

The spelling of 165474673229 in words is "one hundred sixty-five billion, four hundred seventy-four million, six hundred seventy-three thousand, two hundred twenty-nine".