6656000039 has 8 divisors (see below), whose sum is σ = 7169099280. Its totient is φ = 6143057856.

The previous prime is 6656000033. The next prime is 6656000051. The reversal of 6656000039 is 9300006566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-6656000039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6655999972 and 6656000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6656000033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57632 + ... + 128970.

It is an arithmetic number, because the mean of its divisors is an integer number (896137410).

Almost surely, 2^6656000039 is an apocalyptic number.

6656000039 is a deficient number, since it is larger than the sum of its proper divisors (513099241).

6656000039 is a wasteful number, since it uses less digits than its factorization.

6656000039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78529.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 6656000039 is about 81584.3124565011. The cubic root of 6656000039 is about 1881.0677538506.

The spelling of 6656000039 in words is "six billion, six hundred fifty-six million, thirty-nine", and thus it is an aban number.