163153373 has 2 divisors, whose sum is σ = 163153374. Its totient is φ = 163153372.

The previous prime is 163153307. The next prime is 163153379. The reversal of 163153373 is 373351361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163149529 + 3844 = 12773^2 + 62^2 .

It is an emirp because it is prime and its reverse (373351361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163153373 - 2⁸ = 163153117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163153379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81576686 + 81576687.

It is an arithmetic number, because the mean of its divisors is an integer number (81576687).

Almost surely, 2^163153373 is an apocalyptic number.

It is an amenable number.

163153373 is a deficient number, since it is larger than the sum of its proper divisors (1).

163153373 is an equidigital number, since it uses as much as digits as its factorization.

163153373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 32.

The square root of 163153373 is about 12773.1504727690. The cubic root of 163153373 is about 546.4268344078.

The spelling of 163153373 in words is "one hundred sixty-three million, one hundred fifty-three thousand, three hundred seventy-three".