169323085485 has 12 divisors (see below), whose sum is σ = 293493348252. Its totient is φ = 90305645568.

The previous prime is 169323085471. The next prime is 169323085489. The reversal of 169323085485 is 584580323961.

169323085485 is a `hidden beast` number, since 1 + 6 + 93 + 2 + 3 + 0 + 8 + 548 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 122378929929 + 46944155556 = 349827^2 + 216666^2 .

It is not a de Polignac number, because 169323085485 - 2²⁸ = 169054650029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169323085489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1881367572 + ... + 1881367661.

It is an arithmetic number, because the mean of its divisors is an integer number (24457779021).

Almost surely, 2^169323085485 is an apocalyptic number.

169323085485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

169323085485 is a deficient number, since it is larger than the sum of its proper divisors (124170262767).

169323085485 is a wasteful number, since it uses less digits than its factorization.

169323085485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3762735244 (or 3762735241 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 169323085485 in words is "one hundred sixty-nine billion, three hundred twenty-three million, eighty-five thousand, four hundred eighty-five".