6297620660 has 24 divisors (see below), whose sum is σ = 13227766440. Its totient is φ = 2518521984.

The previous prime is 6297620653. The next prime is 6297620677. The reversal of 6297620660 is 660267926.

It can be written as a sum of positive squares in 4 ways, for example, as 1497070864 + 4800549796 = 38692^2 + 69286^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73646 + ... + 134234.

It is an arithmetic number, because the mean of its divisors is an integer number (551156935).

Almost surely, 2^6297620660 is an apocalyptic number.

It is an amenable number.

6297620660 is an abundant number, since it is smaller than the sum of its proper divisors (6930145780).

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

6297620660 is a wasteful number, since it uses less digits than its factorization.

6297620660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65795 (or 65793 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 6297620660 is about 79357.5494833352. The cubic root of 6297620660 is about 1846.6822112162.

The spelling of 6297620660 in words is "six billion, two hundred ninety-seven million, six hundred twenty thousand, six hundred sixty".