13162440143656 has 32 divisors (see below), whose sum is σ = 24741291564000. Its totient is φ = 6564782007616.

The previous prime is 13162440143651. The next prime is 13162440143683. The reversal of 13162440143656 is 65634104426131.

It is a super-3 number, since 3×13162440143656³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13162440143651) by changing a digit.

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, 4147110 + ... + 6597226.

It is an arithmetic number, because the mean of its divisors is an integer number (773165361375).

Almost surely, 2^{13162440143656} is an apocalyptic number.

It is an amenable number.

13162440143656 is a deficient number, since it is larger than the sum of its proper divisors (11578851420344).

13162440143656 is a wasteful number, since it uses less digits than its factorization.

13162440143656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451801 (or 2451797 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

Adding to 13162440143656 its reverse (65634104426131), we get a palindrome (78796544569787).

The spelling of 13162440143656 in words is "thirteen trillion, one hundred sixty-two billion, four hundred forty million, one hundred forty-three thousand, six hundred fifty-six".