6655574016 has 456 divisors, whose sum is σ = 24427579904. Its totient is φ = 1698693120.

The previous prime is 6655573937. The next prime is 6655574021. The reversal of 6655574016 is 6104755566.

6655574016 is a `hidden beast` number, since 6 + 65 + 5 + 574 + 0 + 16 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214695921 + ... + 214695951.

Almost surely, 2^6655574016 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 6655574016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12213789952).

6655574016 is an abundant number, since it is smaller than the sum of its proper divisors (17772005888).

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

6655574016 is an equidigital number, since it uses as much as digits as its factorization.

6655574016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The square root of 6655574016 is about 81581.7014777211. The cubic root of 6655574016 is about 1881.0276198751.

The spelling of 6655574016 in words is "six billion, six hundred fifty-five million, five hundred seventy-four thousand, sixteen".