169364549157201 has 12 divisors (see below), whose sum is σ = 244637847680512. Its totient is φ = 112909623023736.

The previous prime is 169364549157191. The next prime is 169364549157247. The reversal of 169364549157201 is 102751945463961.

169364549157201 is a `hidden beast` number, since 1 + 6 + 9 + 3 + 6 + 4 + 54 + 9 + 1 + 572 + 0 + 1 = 666.

It is not a de Polignac number, because 169364549157201 - 2¹⁰ = 169364549156177 is a prime.

It is a super-2 number, since 2×169364549157201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169364549157301) 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 in 11 ways as a sum of consecutive naturals, for example, 9840720 + ... + 20870286.

Almost surely, 2^{169364549157201} is an apocalyptic number.

It is an amenable number.

169364549157201 is a deficient number, since it is larger than the sum of its proper divisors (75273298523311).

169364549157201 is a wasteful number, since it uses less digits than its factorization.

169364549157201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12735740 (or 12735737 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 63.

The spelling of 169364549157201 in words is "one hundred sixty-nine trillion, three hundred sixty-four billion, five hundred forty-nine million, one hundred fifty-seven thousand, two hundred one".