6109281660 has 96 divisors (see below), whose sum is σ = 18148515840. Its totient is φ = 1531208448.

The previous prime is 6109281599. The next prime is 6109281701. The reversal of 6109281660 is 661829016.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 123682 + ... + 165878.

It is an arithmetic number, because the mean of its divisors is an integer number (189047040).

Almost surely, 2^6109281660 is an apocalyptic number.

6109281660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6109281660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9074257920).

6109281660 is an abundant number, since it is smaller than the sum of its proper divisors (12039234180).

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

6109281660 is a wasteful number, since it uses less digits than its factorization.

6109281660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42355 (or 42353 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 6109281660 is about 78161.8939125710. The cubic root of 6109281660 is about 1828.0863928672.

The spelling of 6109281660 in words is "six billion, one hundred nine million, two hundred eighty-one thousand, six hundred sixty".