6355755356656 has 80 divisors (see below), whose sum is σ = 13157922814240. Its totient is φ = 2965320990720.

The previous prime is 6355755356651. The next prime is 6355755356707. The reversal of 6355755356656 is 6566535575536.

It is a super-2 number, since 2×6355755356656² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6355755356591 and 6355755356600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6355755356651) 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, 16071376 + ... + 16462096.

It is an arithmetic number, because the mean of its divisors is an integer number (164474035178).

Almost surely, 2^{6355755356656} 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 6355755356656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6578961407120).

6355755356656 is an abundant number, since it is smaller than the sum of its proper divisors (6802167457584).

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

6355755356656 is a wasteful number, since it uses less digits than its factorization.

6355755356656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391554 (or 391548 counting only the distinct ones).

The product of its digits is 1275750000, while the sum is 67.

The spelling of 6355755356656 in words is "six trillion, three hundred fifty-five billion, seven hundred fifty-five million, three hundred fifty-six thousand, six hundred fifty-six".