163040535 has 24 divisors (see below), whose sum is σ = 322976160. Its totient is φ = 74532672.

The previous prime is 163040533. The next prime is 163040551. The reversal of 163040535 is 535040361.

It is not a de Polignac number, because 163040535 - 2¹ = 163040533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163040499 and 163040508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163040533) 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 23 ways as a sum of consecutive naturals, for example, 258480 + ... + 259109.

It is an arithmetic number, because the mean of its divisors is an integer number (13457340).

Almost surely, 2^163040535 is an apocalyptic number.

163040535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

163040535 is a deficient number, since it is larger than the sum of its proper divisors (159935625).

163040535 is a wasteful number, since it uses less digits than its factorization.

163040535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517607 (or 517604 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 163040535 is about 12768.7327092394. The cubic root of 163040535 is about 546.3008344979.

Adding to 163040535 its reverse (535040361), we get a palindrome (698080896).

The spelling of 163040535 in words is "one hundred sixty-three million, forty thousand, five hundred thirty-five".