37166161 has 2 divisors, whose sum is σ = 37166162. Its totient is φ = 37166160.

The previous prime is 37166149. The next prime is 37166191. The reversal of 37166161 is 16166173.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35034561 + 2131600 = 5919^2 + 1460^2 .

It is an emirp because it is prime and its reverse (16166173) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37166161 - 2¹⁹ = 36641873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (37166111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18583080 + 18583081.

It is an arithmetic number, because the mean of its divisors is an integer number (18583081).

Almost surely, 2^37166161 is an apocalyptic number.

It is an amenable number.

37166161 is a deficient number, since it is larger than the sum of its proper divisors (1).

37166161 is an equidigital number, since it uses as much as digits as its factorization.

37166161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 37166161 is about 6096.4055803399. The cubic root of 37166161 is about 333.7202559212.

The spelling of 37166161 in words is "thirty-seven million, one hundred sixty-six thousand, one hundred sixty-one".