6556251416 has 192 divisors, whose sum is σ = 16228447200. Its totient is φ = 2451271680.

The previous prime is 6556251379. The next prime is 6556251419. The reversal of 6556251416 is 6141526556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6556251419) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4063826 + ... + 4065438.

Almost surely, 2^6556251416 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 6556251416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8114223600).

6556251416 is an abundant number, since it is smaller than the sum of its proper divisors (9672195784).

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

6556251416 is a wasteful number, since it uses less digits than its factorization.

6556251416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690 (or 1675 counting only the distinct ones).

The product of its digits is 216000, while the sum is 41.

The square root of 6556251416 is about 80970.6824474143. The cubic root of 6556251416 is about 1871.6236878119.

The spelling of 6556251416 in words is "six billion, five hundred fifty-six million, two hundred fifty-one thousand, four hundred sixteen".