5866642864 has 40 divisors (see below), whose sum is σ = 11808176768. Its totient is φ = 2820579840.

The previous prime is 5866642819. The next prime is 5866642909. The reversal of 5866642864 is 4682466685.

It is an interprime number because it is at equal distance from previous prime (5866642819) and next prime (5866642909).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40204 + ... + 115540.

Almost surely, 2^5866642864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5866642864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5904088384).

5866642864 is an abundant number, since it is smaller than the sum of its proper divisors (5941533904).

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

5866642864 is a wasteful number, since it uses less digits than its factorization.

5866642864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75533 (or 75527 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 55.

The square root of 5866642864 is about 76594.0132386337. The cubic root of 5866642864 is about 1803.5570468160.

The spelling of 5866642864 in words is "five billion, eight hundred sixty-six million, six hundred forty-two thousand, eight hundred sixty-four".