6650661605160 has 128 divisors (see below), whose sum is σ = 19973649254400. Its totient is φ = 1771585105920.

The previous prime is 6650661605111. The next prime is 6650661605167. The reversal of 6650661605160 is 615061660566.

It is not an unprimeable number, because it can be changed into a prime (6650661605167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 545264182 + ... + 545276378.

It is an arithmetic number, because the mean of its divisors is an integer number (156044134800).

Almost surely, 2^{6650661605160} is an apocalyptic number.

6650661605160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6650661605160 is an abundant number, since it is smaller than the sum of its proper divisors (13322987649240).

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

6650661605160 is a wasteful number, since it uses less digits than its factorization.

6650661605160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16771 (or 16767 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 6650661605160 in words is "six trillion, six hundred fifty billion, six hundred sixty-one million, six hundred five thousand, one hundred sixty".