6546009960 has 288 divisors, whose sum is σ = 26051781600. Its totient is φ = 1417409280.

The previous prime is 6546009923. The next prime is 6546009973. The reversal of 6546009960 is 699006456.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 325395 + ... + 344925.

It is an arithmetic number, because the mean of its divisors is an integer number (90457575).

Almost surely, 2^6546009960 is an apocalyptic number.

6546009960 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 6546009960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13025890800).

6546009960 is an abundant number, since it is smaller than the sum of its proper divisors (19505771640).

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

6546009960 is a wasteful number, since it uses less digits than its factorization.

6546009960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19581 (or 19567 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 6546009960 is about 80907.4159765346. The cubic root of 6546009960 is about 1870.6486315948.

The spelling of 6546009960 in words is "six billion, five hundred forty-six million, nine thousand, nine hundred sixty".