163373053 has 2 divisors, whose sum is σ = 163373054. Its totient is φ = 163373052.

The previous prime is 163373047. The next prime is 163373087. The reversal of 163373053 is 350373361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146579449 + 16793604 = 12107^2 + 4098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163373053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163373453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81686526 + 81686527.

It is an arithmetic number, because the mean of its divisors is an integer number (81686527).

Almost surely, 2^163373053 is an apocalyptic number.

It is an amenable number.

163373053 is a deficient number, since it is larger than the sum of its proper divisors (1).

163373053 is an equidigital number, since it uses as much as digits as its factorization.

163373053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 31.

The square root of 163373053 is about 12781.7468680928. The cubic root of 163373053 is about 546.6719722781.

The spelling of 163373053 in words is "one hundred sixty-three million, three hundred seventy-three thousand, fifty-three".