353685168385 has 16 divisors (see below), whose sum is σ = 461533845456. Its totient is φ = 259106715648.

The previous prime is 353685168377. The next prime is 353685168401. The reversal of 353685168385 is 583861586353.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 71408666176 + 282276502209 = 267224^2 + 531297^2 .

It is a cyclic number.

It is not a de Polignac number, because 353685168385 - 2³ = 353685168377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56226612 + ... + 56232901.

It is an arithmetic number, because the mean of its divisors is an integer number (28845865341).

Almost surely, 2^353685168385 is an apocalyptic number.

It is an amenable number.

353685168385 is a deficient number, since it is larger than the sum of its proper divisors (107848677071).

353685168385 is a wasteful number, since it uses less digits than its factorization.

353685168385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112459572.

The product of its digits is 62208000, while the sum is 61.

The spelling of 353685168385 in words is "three hundred fifty-three billion, six hundred eighty-five million, one hundred sixty-eight thousand, three hundred eighty-five".