36180169 has 2 divisors, whose sum is σ = 36180170. Its totient is φ = 36180168.

The previous prime is 36180149. The next prime is 36180211. The reversal of 36180169 is 96108163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32626944 + 3553225 = 5712^2 + 1885^2 .

It is a cyclic number.

It is not a de Polignac number, because 36180169 - 2¹⁹ = 35655881 is a prime.

It is a super-2 number, since 2×36180169² = 2618009257737122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36180149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18090084 + 18090085.

It is an arithmetic number, because the mean of its divisors is an integer number (18090085).

Almost surely, 2^36180169 is an apocalyptic number.

It is an amenable number.

36180169 is a deficient number, since it is larger than the sum of its proper divisors (1).

36180169 is an equidigital number, since it uses as much as digits as its factorization.

36180169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 36180169 is about 6014.9953449691. The cubic root of 36180169 is about 330.7426464094.

The spelling of 36180169 in words is "thirty-six million, one hundred eighty thousand, one hundred sixty-nine".