655579163 has 2 divisors, whose sum is σ = 655579164. Its totient is φ = 655579162.

The previous prime is 655579153. The next prime is 655579181. The reversal of 655579163 is 361975556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 655579163 - 2¹⁰ = 655578139 is a prime.

It is not a weakly prime, because it can be changed into another prime (655579153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327789581 + 327789582.

It is an arithmetic number, because the mean of its divisors is an integer number (327789582).

Almost surely, 2^655579163 is an apocalyptic number.

655579163 is a deficient number, since it is larger than the sum of its proper divisors (1).

655579163 is an equidigital number, since it uses as much as digits as its factorization.

655579163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 850500, while the sum is 47.

The square root of 655579163 is about 25604.2801695342. The cubic root of 655579163 is about 868.7104526759.

The spelling of 655579163 in words is "six hundred fifty-five million, five hundred seventy-nine thousand, one hundred sixty-three".