13822156686 has 16 divisors (see below), whose sum is σ = 29770799184. Its totient is φ = 4252971264.

The previous prime is 13822156681. The next prime is 13822156687. The reversal of 13822156686 is 68665122831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13822156681) 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, 88603491 + ... + 88603646.

It is an arithmetic number, because the mean of its divisors is an integer number (1860674949).

Almost surely, 2^13822156686 is an apocalyptic number.

13822156686 is an abundant number, since it is smaller than the sum of its proper divisors (15948642498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13822156686 is a wasteful number, since it uses less digits than its factorization.

13822156686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177207155.

The product of its digits is 829440, while the sum is 48.

The spelling of 13822156686 in words is "thirteen billion, eight hundred twenty-two million, one hundred fifty-six thousand, six hundred eighty-six".