6556417077152 has 96 divisors (see below), whose sum is σ = 14060695521600. Its totient is φ = 2997543241728.

The previous prime is 6556417077143. The next prime is 6556417077157. The reversal of 6556417077152 is 2517707146556.

It is a super-2 number, since 2×6556417077152² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6556417077157) 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, 52180868 + ... + 52306364.

It is an arithmetic number, because the mean of its divisors is an integer number (146465578350).

Almost surely, 2^{6556417077152} 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 6556417077152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7030347760800).

6556417077152 is an abundant number, since it is smaller than the sum of its proper divisors (7504278444448).

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

6556417077152 is a wasteful number, since it uses less digits than its factorization.

6556417077152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128518 (or 128510 counting only the distinct ones).

The product of its (nonzero) digits is 12348000, while the sum is 56.

The spelling of 6556417077152 in words is "six trillion, five hundred fifty-six billion, four hundred seventeen million, seventy-seven thousand, one hundred fifty-two".