655660072159 has 2 divisors, whose sum is σ = 655660072160. Its totient is φ = 655660072158.

The previous prime is 655660072141. The next prime is 655660072229. The reversal of 655660072159 is 951270066556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 655660072159 - 2¹⁷ = 655659941087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655660079159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327830036079 + 327830036080.

It is an arithmetic number, because the mean of its divisors is an integer number (327830036080).

Almost surely, 2^655660072159 is an apocalyptic number.

655660072159 is a deficient number, since it is larger than the sum of its proper divisors (1).

655660072159 is an equidigital number, since it uses as much as digits as its factorization.

655660072159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402000, while the sum is 52.

The spelling of 655660072159 in words is "six hundred fifty-five billion, six hundred sixty million, seventy-two thousand, one hundred fifty-nine".