161478662333 has 2 divisors, whose sum is σ = 161478662334. Its totient is φ = 161478662332.

The previous prime is 161478662299. The next prime is 161478662341. The reversal of 161478662333 is 333266874161.

161478662333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159777677284 + 1700985049 = 399722^2 + 41243^2 .

It is a cyclic number.

It is not a de Polignac number, because 161478662333 - 2²⁰ = 161477613757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161478662353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80739331166 + 80739331167.

It is an arithmetic number, because the mean of its divisors is an integer number (80739331167).

Almost surely, 2^161478662333 is an apocalyptic number.

It is an amenable number.

161478662333 is a deficient number, since it is larger than the sum of its proper divisors (1).

161478662333 is an equidigital number, since it uses as much as digits as its factorization.

161478662333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 50.

The spelling of 161478662333 in words is "one hundred sixty-one billion, four hundred seventy-eight million, six hundred sixty-two thousand, three hundred thirty-three".