6520250366 has 48 divisors (see below), whose sum is σ = 11488464000. Its totient is φ = 2767186800.

The previous prime is 6520250353. The next prime is 6520250369. The reversal of 6520250366 is 6630520256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6520250369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7383761 + ... + 7384643.

It is an arithmetic number, because the mean of its divisors is an integer number (239343000).

Almost surely, 2^6520250366 is an apocalyptic number.

6520250366 is a deficient number, since it is larger than the sum of its proper divisors (4968213634).

6520250366 is a wasteful number, since it uses less digits than its factorization.

6520250366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 6520250366 is about 80748.0672586038. The cubic root of 6520250366 is about 1868.1916389050.

The spelling of 6520250366 in words is "six billion, five hundred twenty million, two hundred fifty thousand, three hundred sixty-six".