163020558229 has 2 divisors, whose sum is σ = 163020558230. Its totient is φ = 163020558228.

The previous prime is 163020558223. The next prime is 163020558247. The reversal of 163020558229 is 922855020361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160941380625 + 2079177604 = 401175^2 + 45598^2 .

It is a cyclic number.

It is not a de Polignac number, because 163020558229 - 2¹⁵ = 163020525461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163020558223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81510279114 + 81510279115.

It is an arithmetic number, because the mean of its divisors is an integer number (81510279115).

Almost surely, 2^163020558229 is an apocalyptic number.

It is an amenable number.

163020558229 is a deficient number, since it is larger than the sum of its proper divisors (1).

163020558229 is an equidigital number, since it uses as much as digits as its factorization.

163020558229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 163020558229 in words is "one hundred sixty-three billion, twenty million, five hundred fifty-eight thousand, two hundred twenty-nine".