163126573 has 2 divisors, whose sum is σ = 163126574. Its totient is φ = 163126572.

The previous prime is 163126531. The next prime is 163126597. The reversal of 163126573 is 375621361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129914404 + 33212169 = 11398^2 + 5763^2 .

It is an emirp because it is prime and its reverse (375621361) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163126573 is a prime.

It is a super-2 number, since 2×163126573² = 53220557637448658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163126273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81563286 + 81563287.

It is an arithmetic number, because the mean of its divisors is an integer number (81563287).

Almost surely, 2^163126573 is an apocalyptic number.

It is an amenable number.

163126573 is a deficient number, since it is larger than the sum of its proper divisors (1).

163126573 is an equidigital number, since it uses as much as digits as its factorization.

163126573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 163126573 is about 12772.1013541234. The cubic root of 163126573 is about 546.3969136022.

It can be divided in two parts, 163 and 126573, that added together give a square (126736 = 356²).

The spelling of 163126573 in words is "one hundred sixty-three million, one hundred twenty-six thousand, five hundred seventy-three".