163243435 has 16 divisors (see below), whose sum is σ = 208020096. Its totient is φ = 122554368.

The previous prime is 163243433. The next prime is 163243439. The reversal of 163243435 is 534342361.

It is a cyclic number.

It is not a de Polignac number, because 163243435 - 2¹ = 163243433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163243397 and 163243406.

It is not an unprimeable number, because it can be changed into a prime (163243433) 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 15 ways as a sum of consecutive naturals, for example, 28579 + ... + 33811.

It is an arithmetic number, because the mean of its divisors is an integer number (13001256).

Almost surely, 2^163243435 is an apocalyptic number.

163243435 is a deficient number, since it is larger than the sum of its proper divisors (44776661).

163243435 is a wasteful number, since it uses less digits than its factorization.

163243435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5622.

The product of its digits is 25920, while the sum is 31.

The square root of 163243435 is about 12776.6754282951. The cubic root of 163243435 is about 546.5273599444.

Adding to 163243435 its reverse (534342361), we get a palindrome (697585796).

The spelling of 163243435 in words is "one hundred sixty-three million, two hundred forty-three thousand, four hundred thirty-five".