163270207601 has 2 divisors, whose sum is σ = 163270207602. Its totient is φ = 163270207600.

The previous prime is 163270207591. The next prime is 163270207627. The reversal of 163270207601 is 106702072361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158384896576 + 4885311025 = 397976^2 + 69895^2 .

It is a cyclic number.

It is not a de Polignac number, because 163270207601 - 2⁶ = 163270207537 is a prime.

It is not a weakly prime, because it can be changed into another prime (163270207691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81635103800 + 81635103801.

It is an arithmetic number, because the mean of its divisors is an integer number (81635103801).

Almost surely, 2^163270207601 is an apocalyptic number.

It is an amenable number.

163270207601 is a deficient number, since it is larger than the sum of its proper divisors (1).

163270207601 is an equidigital number, since it uses as much as digits as its factorization.

163270207601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

Adding to 163270207601 its reverse (106702072361), we get a palindrome (269972279962).

The spelling of 163270207601 in words is "one hundred sixty-three billion, two hundred seventy million, two hundred seven thousand, six hundred one".