49466161 has 2 divisors, whose sum is σ = 49466162. Its totient is φ = 49466160.

The previous prime is 49466159. The next prime is 49466189. The reversal of 49466161 is 16166494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49280400 + 185761 = 7020^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 49466161 - 2¹ = 49466159 is a prime.

Together with 49466159, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49466161.

It is not a weakly prime, because it can be changed into another prime (49466191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24733080 + 24733081.

It is an arithmetic number, because the mean of its divisors is an integer number (24733081).

Almost surely, 2^49466161 is an apocalyptic number.

It is an amenable number.

49466161 is a deficient number, since it is larger than the sum of its proper divisors (1).

49466161 is an equidigital number, since it uses as much as digits as its factorization.

49466161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 49466161 is about 7033.2183955853. The cubic root of 49466161 is about 367.0873360145.

The spelling of 49466161 in words is "forty-nine million, four hundred sixty-six thousand, one hundred sixty-one".