163365254516 has 24 divisors (see below), whose sum is σ = 286538917056. Its totient is φ = 81497067840.

The previous prime is 163365254509. The next prime is 163365254543. The reversal of 163365254516 is 615452563361.

163365254516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16800536 + ... + 16810256.

It is an arithmetic number, because the mean of its divisors is an integer number (11939121544).

Almost surely, 2^163365254516 is an apocalyptic number.

It is an amenable number.

163365254516 is a deficient number, since it is larger than the sum of its proper divisors (123173662540).

163365254516 is a wasteful number, since it uses less digits than its factorization.

163365254516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18839 (or 18837 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 47.

The spelling of 163365254516 in words is "one hundred sixty-three billion, three hundred sixty-five million, two hundred fifty-four thousand, five hundred sixteen".