6655651043 has 2 divisors, whose sum is σ = 6655651044. Its totient is φ = 6655651042.

The previous prime is 6655651039. The next prime is 6655651109. The reversal of 6655651043 is 3401565566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6655651043 - 2² = 6655651039 is a prime.

It is not a weakly prime, because it can be changed into another prime (6655651033) 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 as a sum of consecutive naturals, namely, 3327825521 + 3327825522.

It is an arithmetic number, because the mean of its divisors is an integer number (3327825522).

Almost surely, 2^6655651043 is an apocalyptic number.

6655651043 is a deficient number, since it is larger than the sum of its proper divisors (1).

6655651043 is an equidigital number, since it uses as much as digits as its factorization.

6655651043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 41.

The square root of 6655651043 is about 81582.1735613853. The cubic root of 6655651043 is about 1881.0348764171.

The spelling of 6655651043 in words is "six billion, six hundred fifty-five million, six hundred fifty-one thousand, forty-three".