163752506539 has 8 divisors (see below), whose sum is σ = 165027592800. Its totient is φ = 162479768256.

The previous prime is 163752506513. The next prime is 163752506557. The reversal of 163752506539 is 935605257361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163752506539 - 2⁵ = 163752506507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163752506039) 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 7 ways as a sum of consecutive naturals, for example, 446839 + ... + 726064.

It is an arithmetic number, because the mean of its divisors is an integer number (20628449100).

Almost surely, 2^163752506539 is an apocalyptic number.

163752506539 is a deficient number, since it is larger than the sum of its proper divisors (1275086261).

163752506539 is a wasteful number, since it uses less digits than its factorization.

163752506539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173989.

The product of its (nonzero) digits is 5103000, while the sum is 52.

The spelling of 163752506539 in words is "one hundred sixty-three billion, seven hundred fifty-two million, five hundred six thousand, five hundred thirty-nine".