161738333 has 2 divisors, whose sum is σ = 161738334. Its totient is φ = 161738332.

The previous prime is 161738321. The next prime is 161738341. The reversal of 161738333 is 333837161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160858489 + 879844 = 12683^2 + 938^2 .

It is a cyclic number.

It is not a de Polignac number, because 161738333 - 2¹⁰ = 161737309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161738293 and 161738302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161734333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80869166 + 80869167.

It is an arithmetic number, because the mean of its divisors is an integer number (80869167).

Almost surely, 2^161738333 is an apocalyptic number.

It is an amenable number.

161738333 is a deficient number, since it is larger than the sum of its proper divisors (1).

161738333 is an equidigital number, since it uses as much as digits as its factorization.

161738333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 161738333 is about 12717.6386566060. The cubic root of 161738333 is about 544.8425132031.

The spelling of 161738333 in words is "one hundred sixty-one million, seven hundred thirty-eight thousand, three hundred thirty-three".