13769555664 has 80 divisors (see below), whose sum is σ = 37638017600. Its totient is φ = 4325695488.

The previous prime is 13769555651. The next prime is 13769555669. The reversal of 13769555664 is 46655596731.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13769555669) 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 15 ways as a sum of consecutive naturals, for example, 136902 + ... + 215130.

It is an arithmetic number, because the mean of its divisors is an integer number (470475220).

Almost surely, 2^13769555664 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 13769555664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18819008800).

13769555664 is an abundant number, since it is smaller than the sum of its proper divisors (23868461936).

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

13769555664 is a wasteful number, since it uses less digits than its factorization.

13769555664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78452 (or 78446 counting only the distinct ones).

The product of its digits is 20412000, while the sum is 57.

The spelling of 13769555664 in words is "thirteen billion, seven hundred sixty-nine million, five hundred fifty-five thousand, six hundred sixty-four".