37122360161 has 2 divisors, whose sum is σ = 37122360162. Its totient is φ = 37122360160.

The previous prime is 37122360137. The next prime is 37122360211. The reversal of 37122360161 is 16106322173.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22426859536 + 14695500625 = 149756^2 + 121225^2 .

It is a cyclic number.

It is not a de Polignac number, because 37122360161 - 2¹⁸ = 37122098017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (37122369161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18561180080 + 18561180081.

It is an arithmetic number, because the mean of its divisors is an integer number (18561180081).

Almost surely, 2^37122360161 is an apocalyptic number.

It is an amenable number.

37122360161 is a deficient number, since it is larger than the sum of its proper divisors (1).

37122360161 is an equidigital number, since it uses as much as digits as its factorization.

37122360161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 37122360161 in words is "thirty-seven billion, one hundred twenty-two million, three hundred sixty thousand, one hundred sixty-one".