13165506001 has 4 divisors (see below), whose sum is σ = 13233721252. Its totient is φ = 13097290752.

The previous prime is 13165505989. The next prime is 13165506007. The reversal of 13165506001 is 10060556131.

13165506001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5029646400 + 8135859601 = 70920^2 + 90199^2 .

It is a cyclic number.

It is not a de Polignac number, because 13165506001 - 2⁹ = 13165505489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13165506007) 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 3 ways as a sum of consecutive naturals, for example, 34107336 + ... + 34107721.

It is an arithmetic number, because the mean of its divisors is an integer number (3308430313).

Almost surely, 2^13165506001 is an apocalyptic number.

It is an amenable number.

13165506001 is a deficient number, since it is larger than the sum of its proper divisors (68215251).

13165506001 is an equidigital number, since it uses as much as digits as its factorization.

13165506001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68215250.

The product of its (nonzero) digits is 2700, while the sum is 28.

The spelling of 13165506001 in words is "thirteen billion, one hundred sixty-five million, five hundred six thousand, one".