12596157161 has 32 divisors (see below), whose sum is σ = 15223223808. Its totient is φ = 10189555200.

The previous prime is 12596157131. The next prime is 12596157187. The reversal of 12596157161 is 16175169521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12596157161 is a prime.

It is a super-2 number, since 2×12596157161² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12596157131) 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, 3814211 + ... + 3817511.

It is an arithmetic number, because the mean of its divisors is an integer number (475725744).

Almost surely, 2^12596157161 is an apocalyptic number.

It is an amenable number.

12596157161 is a deficient number, since it is larger than the sum of its proper divisors (2627066647).

12596157161 is a wasteful number, since it uses less digits than its factorization.

12596157161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641.

The product of its digits is 113400, while the sum is 44.

The spelling of 12596157161 in words is "twelve billion, five hundred ninety-six million, one hundred fifty-seven thousand, one hundred sixty-one".