6501648 has 40 divisors (see below), whose sum is σ = 17682400. Its totient is φ = 2052864.

The previous prime is 6501647. The next prime is 6501689. The reversal of 6501648 is 8461056.

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (6501647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2653 + ... + 4476.

It is an arithmetic number, because the mean of its divisors is an integer number (442060).

Almost surely, 2^6501648 is an apocalyptic number.

It is an amenable number.

6501648 is an abundant number, since it is smaller than the sum of its proper divisors (11180752).

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

6501648 is a wasteful number, since it uses less digits than its factorization.

6501648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159 (or 7153 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 6501648 is about 2549.8329357038. The cubic root of 6501648 is about 186.6413287604.

The spelling of 6501648 in words is "six million, five hundred one thousand, six hundred forty-eight".