1146608161 has 2 divisors, whose sum is σ = 1146608162. Its totient is φ = 1146608160.

The previous prime is 1146608149. The next prime is 1146608233. The reversal of 1146608161 is 1618066411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 699919936 + 446688225 = 26456^2 + 21135^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146608161 - 2¹⁷ = 1146477089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1146608101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573304080 + 573304081.

It is an arithmetic number, because the mean of its divisors is an integer number (573304081).

Almost surely, 2^1146608161 is an apocalyptic number.

It is an amenable number.

1146608161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146608161 is an equidigital number, since it uses as much as digits as its factorization.

1146608161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 1146608161 is about 33861.6030482906. The cubic root of 1146608161 is about 1046.6585115168.

The spelling of 1146608161 in words is "one billion, one hundred forty-six million, six hundred eight thousand, one hundred sixty-one".