866130602722648 has 32 divisors (see below), whose sum is σ = 1624462020442800. Its totient is φ = 432940736172672.

The previous prime is 866130602722559. The next prime is 866130602722661. The reversal of 866130602722648 is 846227206031668.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1335824998 + ... + 1336473226.

Almost surely, 2^{866130602722648} is an apocalyptic number.

It is an amenable number.

866130602722648 is a deficient number, since it is larger than the sum of its proper divisors (758331417720152).

866130602722648 is a wasteful number, since it uses less digits than its factorization.

866130602722648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696019 (or 696015 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 61.

The spelling of 866130602722648 in words is "eight hundred sixty-six trillion, one hundred thirty billion, six hundred two million, seven hundred twenty-two thousand, six hundred forty-eight".