169011225157 has 2 divisors, whose sum is σ = 169011225158. Its totient is φ = 169011225156.

The previous prime is 169011225139. The next prime is 169011225169. The reversal of 169011225157 is 751522110961.

169011225157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165576561921 + 3434663236 = 406911^2 + 58606^2 .

It is an emirp because it is prime and its reverse (751522110961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 169011225157 - 2¹⁹ = 169010700869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169011222157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84505612578 + 84505612579.

It is an arithmetic number, because the mean of its divisors is an integer number (84505612579).

Almost surely, 2^169011225157 is an apocalyptic number.

It is an amenable number.

169011225157 is a deficient number, since it is larger than the sum of its proper divisors (1).

169011225157 is an equidigital number, since it uses as much as digits as its factorization.

169011225157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 40.

The spelling of 169011225157 in words is "one hundred sixty-nine billion, eleven million, two hundred twenty-five thousand, one hundred fifty-seven".