6501001600 has 48 divisors (see below), whose sum is σ = 16059513420. Its totient is φ = 2600399360.

The previous prime is 6501001579. The next prime is 6501001621. The reversal of 6501001600 is 61001056.

It is an interprime number because it is at equal distance from previous prime (6501001579) and next prime (6501001621).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1012582 + ... + 1018981.

Almost surely, 2^6501001600 is an apocalyptic number.

It is an amenable number.

6501001600 is an abundant number, since it is smaller than the sum of its proper divisors (9558511820).

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

6501001600 is a wasteful number, since it uses less digits than its factorization.

6501001600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031587 (or 2031570 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 6501001600 is about 80628.7889032199. The cubic root of 6501001600 is about 1866.3514320283.

Adding to 6501001600 its reverse (61001056), we get a palindrome (6562002656).

The spelling of 6501001600 in words is "six billion, five hundred one million, one thousand, six hundred".