161402447383 has 2 divisors, whose sum is σ = 161402447384. Its totient is φ = 161402447382.

The previous prime is 161402447377. The next prime is 161402447411. The reversal of 161402447383 is 383744204161.

161402447383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161402447383 - 2¹⁷ = 161402316311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161402447363) 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, 80701223691 + 80701223692.

It is an arithmetic number, because the mean of its divisors is an integer number (80701223692).

Almost surely, 2^161402447383 is an apocalyptic number.

161402447383 is a deficient number, since it is larger than the sum of its proper divisors (1).

161402447383 is an equidigital number, since it uses as much as digits as its factorization.

161402447383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 161402447383 in words is "one hundred sixty-one billion, four hundred two million, four hundred forty-seven thousand, three hundred eighty-three".