161283079 has 2 divisors, whose sum is σ = 161283080. Its totient is φ = 161283078.

The previous prime is 161283019. The next prime is 161283091. The reversal of 161283079 is 970382161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161283079 - 2¹¹ = 161281031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161283019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80641539 + 80641540.

It is an arithmetic number, because the mean of its divisors is an integer number (80641540).

Almost surely, 2^161283079 is an apocalyptic number.

161283079 is a deficient number, since it is larger than the sum of its proper divisors (1).

161283079 is an equidigital number, since it uses as much as digits as its factorization.

161283079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 161283079 is about 12699.7275167619. The cubic root of 161283079 is about 544.3308331761.

The spelling of 161283079 in words is "one hundred sixty-one million, two hundred eighty-three thousand, seventy-nine".