6441060660 has 48 divisors (see below), whose sum is σ = 18656870400. Its totient is φ = 1658387584.

The previous prime is 6441060653. The next prime is 6441060679. The reversal of 6441060660 is 660601446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1849140 + ... + 1852619.

It is an arithmetic number, because the mean of its divisors is an integer number (388684800).

Almost surely, 2^6441060660 is an apocalyptic number.

6441060660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6441060660 is an abundant number, since it is smaller than the sum of its proper divisors (12215809740).

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

6441060660 is a wasteful number, since it uses less digits than its factorization.

6441060660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701800 (or 3701798 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 6441060660 is about 80256.2188244624. The cubic root of 6441060660 is about 1860.5976285153.

The spelling of 6441060660 in words is "six billion, four hundred forty-one million, sixty thousand, six hundred sixty".