163530077 has 2 divisors, whose sum is σ = 163530078. Its totient is φ = 163530076.

The previous prime is 163530067. The next prime is 163530091. The reversal of 163530077 is 770035361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149475076 + 14055001 = 12226^2 + 3749^2 .

It is an emirp because it is prime and its reverse (770035361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163530077 - 2⁶ = 163530013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163530067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81765038 + 81765039.

It is an arithmetic number, because the mean of its divisors is an integer number (81765039).

Almost surely, 2^163530077 is an apocalyptic number.

It is an amenable number.

163530077 is a deficient number, since it is larger than the sum of its proper divisors (1).

163530077 is an equidigital number, since it uses as much as digits as its factorization.

163530077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 163530077 is about 12787.8879022300. The cubic root of 163530077 is about 546.8470585430.

The spelling of 163530077 in words is "one hundred sixty-three million, five hundred thirty thousand, seventy-seven".