6558497472 has 224 divisors, whose sum is σ = 18667805184. Its totient is φ = 2027520000.

The previous prime is 6558497437. The next prime is 6558497479. The reversal of 6558497472 is 2747948556.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6558497479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26129347 + ... + 26129597.

It is an arithmetic number, because the mean of its divisors is an integer number (83338416).

Almost surely, 2^6558497472 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 6558497472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9333902592).

6558497472 is an abundant number, since it is smaller than the sum of its proper divisors (12109307712).

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

6558497472 is a wasteful number, since it uses less digits than its factorization.

6558497472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 437 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 57.

The square root of 6558497472 is about 80984.5508229810. The cubic root of 6558497472 is about 1871.8373918221.

The spelling of 6558497472 in words is "six billion, five hundred fifty-eight million, four hundred ninety-seven thousand, four hundred seventy-two".