6505201560 has 256 divisors, whose sum is σ = 23039976960. Its totient is φ = 1448570880.

The previous prime is 6505201559. The next prime is 6505201561. The reversal of 6505201560 is 651025056.

It is an interprime number because it is at equal distance from previous prime (6505201559) and next prime (6505201561).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6505201561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3997467 + ... + 3999093.

It is an arithmetic number, because the mean of its divisors is an integer number (89999910).

Almost surely, 2^6505201560 is an apocalyptic number.

6505201560 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 6505201560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11519988480).

6505201560 is an abundant number, since it is smaller than the sum of its proper divisors (16534775400).

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

6505201560 is a wasteful number, since it uses less digits than its factorization.

6505201560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 6505201560 is about 80654.8297375923. The cubic root of 6505201560 is about 1866.7532631312.

The spelling of 6505201560 in words is "six billion, five hundred five million, two hundred one thousand, five hundred sixty".