866648083 has 16 divisors (see below), whose sum is σ = 1103915520. Its totient is φ = 662345856.

The previous prime is 866648051. The next prime is 866648099. The reversal of 866648083 is 380846668.

It is a cyclic number.

It is not a de Polignac number, because 866648083 - 2⁵ = 866648051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866648033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189391 + ... + 193912.

It is an arithmetic number, because the mean of its divisors is an integer number (68994720).

Almost surely, 2^866648083 is an apocalyptic number.

866648083 is a deficient number, since it is larger than the sum of its proper divisors (237267437).

866648083 is a wasteful number, since it uses less digits than its factorization.

866648083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383346.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The square root of 866648083 is about 29438.8872581828. The cubic root of 866648083 is about 953.4126873187.

The spelling of 866648083 in words is "eight hundred sixty-six million, six hundred forty-eight thousand, eighty-three".