13161500605 has 32 divisors (see below), whose sum is σ = 17545984128. Its totient is φ = 9396844800.

The previous prime is 13161500551. The next prime is 13161500609. The reversal of 13161500605 is 50600516131.

It is a de Polignac number, because none of the positive numbers 2^k-13161500605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13161500609) 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 31 ways as a sum of consecutive naturals, for example, 1865214 + ... + 1872256.

It is an arithmetic number, because the mean of its divisors is an integer number (548312004).

Almost surely, 2^13161500605 is an apocalyptic number.

It is an amenable number.

13161500605 is a deficient number, since it is larger than the sum of its proper divisors (4384483523).

13161500605 is a wasteful number, since it uses less digits than its factorization.

13161500605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7677.

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

The spelling of 13161500605 in words is "thirteen billion, one hundred sixty-one million, five hundred thousand, six hundred five".