161073407639 has 2 divisors, whose sum is σ = 161073407640. Its totient is φ = 161073407638.

The previous prime is 161073407633. The next prime is 161073407653. The reversal of 161073407639 is 936704370161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161073407639 - 2⁴ = 161073407623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161073407593 and 161073407602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161073407633) 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, 80536703819 + 80536703820.

It is an arithmetic number, because the mean of its divisors is an integer number (80536703820).

Almost surely, 2^161073407639 is an apocalyptic number.

161073407639 is a deficient number, since it is larger than the sum of its proper divisors (1).

161073407639 is an equidigital number, since it uses as much as digits as its factorization.

161073407639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 161073407639 in words is "one hundred sixty-one billion, seventy-three million, four hundred seven thousand, six hundred thirty-nine".