163072532165 has 8 divisors (see below), whose sum is σ = 195932572920. Its totient is φ = 130294336192.

The previous prime is 163072532159. The next prime is 163072532171. The reversal of 163072532165 is 561235270361.

It is an interprime number because it is at equal distance from previous prime (163072532159) and next prime (163072532171).

It can be written as a sum of positive squares in 4 ways, for example, as 12689121316 + 150383410849 = 112646^2 + 387793^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163072532165 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20456810 + ... + 20464779.

It is an arithmetic number, because the mean of its divisors is an integer number (24491571615).

Almost surely, 2^163072532165 is an apocalyptic number.

It is an amenable number.

163072532165 is a deficient number, since it is larger than the sum of its proper divisors (32860040755).

163072532165 is an equidigital number, since it uses as much as digits as its factorization.

163072532165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40922391.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 163072532165 in words is "one hundred sixty-three billion, seventy-two million, five hundred thirty-two thousand, one hundred sixty-five".