6498645120 has 512 divisors, whose sum is σ = 25380864000. Its totient is φ = 1558425600.

The previous prime is 6498645091. The next prime is 6498645133. The reversal of 6498645120 is 215468946.

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

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 34024225 + ... + 34024415.

It is an arithmetic number, because the mean of its divisors is an integer number (49572000).

Almost surely, 2^6498645120 is an apocalyptic number.

6498645120 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 6498645120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12690432000).

6498645120 is an abundant number, since it is smaller than the sum of its proper divisors (18882218880).

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

6498645120 is a wasteful number, since it uses less digits than its factorization.

6498645120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 6498645120 is about 80614.1744360134. The cubic root of 6498645120 is about 1866.1259000463.

The spelling of 6498645120 in words is "six billion, four hundred ninety-eight million, six hundred forty-five thousand, one hundred twenty".