6642054560 has 96 divisors (see below), whose sum is σ = 15996476160. Its totient is φ = 2605704192.

The previous prime is 6642054553. The next prime is 6642054583. The reversal of 6642054560 is 654502466.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1982807 + ... + 1986153.

It is an arithmetic number, because the mean of its divisors is an integer number (166629960).

Almost surely, 2^6642054560 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 6642054560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7998238080).

6642054560 is an abundant number, since it is smaller than the sum of its proper divisors (9354421600).

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

6642054560 is a wasteful number, since it uses less digits than its factorization.

6642054560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598 (or 3590 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 6642054560 is about 81498.8009727751. The cubic root of 6642054560 is about 1879.7531137997.

The spelling of 6642054560 in words is "six billion, six hundred forty-two million, fifty-four thousand, five hundred sixty".