163795503765 has 16 divisors (see below), whose sum is σ = 262619942400. Its totient is φ = 87175223232.

The previous prime is 163795503731. The next prime is 163795503769. The reversal of 163795503765 is 567305597361.

It is not a de Polignac number, because 163795503765 - 2⁶ = 163795503701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163795503769) 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, 11391250 + ... + 11405619.

It is an arithmetic number, because the mean of its divisors is an integer number (16413746400).

Almost surely, 2^163795503765 is an apocalyptic number.

163795503765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163795503765 is a deficient number, since it is larger than the sum of its proper divisors (98824438635).

163795503765 is a wasteful number, since it uses less digits than its factorization.

163795503765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22797356.

The product of its (nonzero) digits is 17860500, while the sum is 57.

The spelling of 163795503765 in words is "one hundred sixty-three billion, seven hundred ninety-five million, five hundred three thousand, seven hundred sixty-five".