1098134161 has 2 divisors, whose sum is σ = 1098134162. Its totient is φ = 1098134160.

The previous prime is 1098134143. The next prime is 1098134183. The reversal of 1098134161 is 1614318901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 900900225 + 197233936 = 30015^2 + 14044^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098134161 - 2¹³ = 1098125969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1098134131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549067080 + 549067081.

It is an arithmetic number, because the mean of its divisors is an integer number (549067081).

Almost surely, 2^1098134161 is an apocalyptic number.

It is an amenable number.

1098134161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098134161 is an equidigital number, since it uses as much as digits as its factorization.

1098134161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 1098134161 is about 33138.1073840978. The cubic root of 1098134161 is about 1031.6961280212.

The spelling of 1098134161 in words is "one billion, ninety-eight million, one hundred thirty-four thousand, one hundred sixty-one".