163144345435 has 16 divisors (see below), whose sum is σ = 200347994880. Its totient is φ = 127466287200.

The previous prime is 163144345433. The next prime is 163144345447. The reversal of 163144345435 is 534543441361.

It is not a de Polignac number, because 163144345435 - 2¹ = 163144345433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 163144345391 and 163144345400.

It is not an unprimeable number, because it can be changed into a prime (163144345433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2212410 + ... + 2284960.

It is an arithmetic number, because the mean of its divisors is an integer number (12521749680).

Almost surely, 2^163144345435 is an apocalyptic number.

163144345435 is a deficient number, since it is larger than the sum of its proper divisors (37203649445).

163144345435 is a wasteful number, since it uses less digits than its factorization.

163144345435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83058.

The product of its digits is 1036800, while the sum is 43.

Adding to 163144345435 its reverse (534543441361), we get a palindrome (697687786796).

The spelling of 163144345435 in words is "one hundred sixty-three billion, one hundred forty-four million, three hundred forty-five thousand, four hundred thirty-five".