13726161920 has 44 divisors (see below), whose sum is σ = 32926715544. Its totient is φ = 5490462720.

The previous prime is 13726161901. The next prime is 13726161923. The reversal of 13726161920 is 2916162731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13726161923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1335326 + ... + 1345565.

Almost surely, 2^13726161920 is an apocalyptic number.

13726161920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13726161920 is an abundant number, since it is smaller than the sum of its proper divisors (19200553624).

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

13726161920 is an equidigital number, since it uses as much as digits as its factorization.

13726161920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680916 (or 2680898 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 13726161920 in words is "thirteen billion, seven hundred twenty-six million, one hundred sixty-one thousand, nine hundred twenty".