6600460640 has 24 divisors (see below), whose sum is σ = 15593588640. Its totient is φ = 2640184192.

The previous prime is 6600460621. The next prime is 6600460649. The reversal of 6600460640 is 460640066.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 6600460597 and 6600460606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6600460649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20626280 + ... + 20626599.

It is an arithmetic number, because the mean of its divisors is an integer number (649732860).

Almost surely, 2^6600460640 is an apocalyptic number.

It is an amenable number.

6600460640 is an abundant number, since it is smaller than the sum of its proper divisors (8993128000).

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

6600460640 is a wasteful number, since it uses less digits than its factorization.

6600460640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41252894 (or 41252886 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 6600460640 is about 81243.2190401144. The cubic root of 6600460640 is about 1875.8210936510.

The spelling of 6600460640 in words is "six billion, six hundred million, four hundred sixty thousand, six hundred forty".