163960363263 has 16 divisors (see below), whose sum is σ = 219816551936. Its totient is φ = 108706328640.

The previous prime is 163960363247. The next prime is 163960363271. The reversal of 163960363263 is 362363069361.

It is not a de Polignac number, because 163960363263 - 2⁴ = 163960363247 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163960363283) 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, 742395 + ... + 937587.

It is an arithmetic number, because the mean of its divisors is an integer number (13738534496).

Almost surely, 2^163960363263 is an apocalyptic number.

163960363263 is a deficient number, since it is larger than the sum of its proper divisors (55856188673).

163960363263 is a wasteful number, since it uses less digits than its factorization.

163960363263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196734.

The product of its (nonzero) digits is 1889568, while the sum is 48.

The spelling of 163960363263 in words is "one hundred sixty-three billion, nine hundred sixty million, three hundred sixty-three thousand, two hundred sixty-three".