36816180173 has 2 divisors, whose sum is σ = 36816180174. Its totient is φ = 36816180172.

The previous prime is 36816180151. The next prime is 36816180199. The reversal of 36816180173 is 37108161863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34977228484 + 1838951689 = 187022^2 + 42883^2 .

It is an emirp because it is prime and its reverse (37108161863) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36816180173 is a prime.

It is a super-2 number, since 2×36816180173² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36816180773) 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, 18408090086 + 18408090087.

It is an arithmetic number, because the mean of its divisors is an integer number (18408090087).

Almost surely, 2^36816180173 is an apocalyptic number.

It is an amenable number.

36816180173 is a deficient number, since it is larger than the sum of its proper divisors (1).

36816180173 is an equidigital number, since it uses as much as digits as its factorization.

36816180173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 36816180173 in words is "thirty-six billion, eight hundred sixteen million, one hundred eighty thousand, one hundred seventy-three".