6656156141 has 2 divisors, whose sum is σ = 6656156142. Its totient is φ = 6656156140.

The previous prime is 6656156131. The next prime is 6656156153. The reversal of 6656156141 is 1416516566.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6633450916 + 22705225 = 81446^2 + 4765^2 .

It is a cyclic number.

It is not a de Polignac number, because 6656156141 - 2⁶ = 6656156077 is a prime.

It is a super-3 number, since 3×6656156141³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6656156131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3328078070 + 3328078071.

It is an arithmetic number, because the mean of its divisors is an integer number (3328078071).

Almost surely, 2^6656156141 is an apocalyptic number.

It is an amenable number.

6656156141 is a deficient number, since it is larger than the sum of its proper divisors (1).

6656156141 is an equidigital number, since it uses as much as digits as its factorization.

6656156141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 41.

The square root of 6656156141 is about 81585.2691421681. The cubic root of 6656156141 is about 1881.0824591862.

The spelling of 6656156141 in words is "six billion, six hundred fifty-six million, one hundred fifty-six thousand, one hundred forty-one".