30162159173 has 2 divisors, whose sum is σ = 30162159174. Its totient is φ = 30162159172.

The previous prime is 30162159163. The next prime is 30162159233. The reversal of 30162159173 is 37195126103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28401349729 + 1760809444 = 168527^2 + 41962^2 .

It is a cyclic number.

It is not a de Polignac number, because 30162159173 - 2⁶ = 30162159109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30162159133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15081079586 + 15081079587.

It is an arithmetic number, because the mean of its divisors is an integer number (15081079587).

Almost surely, 2^30162159173 is an apocalyptic number.

It is an amenable number.

30162159173 is a deficient number, since it is larger than the sum of its proper divisors (1).

30162159173 is an equidigital number, since it uses as much as digits as its factorization.

30162159173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The spelling of 30162159173 in words is "thirty billion, one hundred sixty-two million, one hundred fifty-nine thousand, one hundred seventy-three".