13820566848 has 112 divisors (see below), whose sum is σ = 39928702464. Its totient is φ = 4184112640.

The previous prime is 13820566843. The next prime is 13820566861. The reversal of 13820566848 is 84866502831.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13820566848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13820566843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2884711 + ... + 2889497.

It is an arithmetic number, because the mean of its divisors is an integer number (356506272).

Almost surely, 2^13820566848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13820566848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19964351232).

13820566848 is an abundant number, since it is smaller than the sum of its proper divisors (26108135616).

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

13820566848 is a wasteful number, since it uses less digits than its factorization.

13820566848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6180 (or 6170 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 13820566848 in words is "thirteen billion, eight hundred twenty million, five hundred sixty-six thousand, eight hundred forty-eight".