163249540539 has 16 divisors (see below), whose sum is σ = 229937566080. Its totient is φ = 102738041280.

The previous prime is 163249540483. The next prime is 163249540543. The reversal of 163249540539 is 935045942361.

163249540539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163249540539 - 2¹⁹ = 163249016251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163249540491 and 163249540500.

It is not an unprimeable number, because it can be changed into a prime (163249540739) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5080117 + ... + 5112150.

It is an arithmetic number, because the mean of its divisors is an integer number (14371097880).

Almost surely, 2^163249540539 is an apocalyptic number.

163249540539 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

163249540539 is a deficient number, since it is larger than the sum of its proper divisors (66688025541).

163249540539 is a wasteful number, since it uses less digits than its factorization.

163249540539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10192570.

The product of its (nonzero) digits is 3499200, while the sum is 51.

The spelling of 163249540539 in words is "one hundred sixty-three billion, two hundred forty-nine million, five hundred forty thousand, five hundred thirty-nine".