163654135434 has 24 divisors (see below), whose sum is σ = 354792973860. Its totient is φ = 54519222528.

The previous prime is 163654135423. The next prime is 163654135453. The reversal of 163654135434 is 434531456361.

163654135434 is a `hidden beast` number, since 1 + 6 + 3 + 65 + 41 + 3 + 543 + 4 = 666.

163654135434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 135826891209 + 27827244225 = 368547^2 + 166815^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 163654135434.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 2648269 + ... + 2709360.

Almost surely, 2^163654135434 is an apocalyptic number.

163654135434 is an abundant number, since it is smaller than the sum of its proper divisors (191138838426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163654135434 is a wasteful number, since it uses less digits than its factorization.

163654135434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359334 (or 5359331 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The spelling of 163654135434 in words is "one hundred sixty-three billion, six hundred fifty-four million, one hundred thirty-five thousand, four hundred thirty-four".