6866532650 has 24 divisors (see below), whose sum is σ = 12776369760. Its totient is φ = 2745619760.

The previous prime is 6866532641. The next prime is 6866532653. The reversal of 6866532650 is 562356686.

It is a junction number, because it is equal to n+sod(n) for n = 6866532595 and 6866532604.

It is not an unprimeable number, because it can be changed into a prime (6866532653) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 123587 + ... + 170313.

It is an arithmetic number, because the mean of its divisors is an integer number (532348740).

Almost surely, 2^6866532650 is an apocalyptic number.

6866532650 is a deficient number, since it is larger than the sum of its proper divisors (5909837110).

6866532650 is a wasteful number, since it uses less digits than its factorization.

6866532650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49678 (or 49673 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The square root of 6866532650 is about 82864.5439859534. The cubic root of 6866532650 is about 1900.6952810890.

The spelling of 6866532650 in words is "six billion, eight hundred sixty-six million, five hundred thirty-two thousand, six hundred fifty".