169052036905 has 12 divisors (see below), whose sum is σ = 215497477260. Its totient is φ = 127286238464.

The previous prime is 169052036893. The next prime is 169052036911. The reversal of 169052036905 is 509630250961.

It can be written as a sum of positive squares in 6 ways, for example, as 19520560656 + 149531476249 = 139716^2 + 386693^2 .

It is not a de Polignac number, because 169052036905 - 2³³ = 160462102313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58494070 + ... + 58496959.

It is an arithmetic number, because the mean of its divisors is an integer number (17958123105).

Almost surely, 2^169052036905 is an apocalyptic number.

It is an amenable number.

169052036905 is a deficient number, since it is larger than the sum of its proper divisors (46445440355).

169052036905 is a wasteful number, since it uses less digits than its factorization.

169052036905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116991068 (or 116991051 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 46.

The spelling of 169052036905 in words is "one hundred sixty-nine billion, fifty-two million, thirty-six thousand, nine hundred five".