161848850702779 has 2 divisors, whose sum is σ = 161848850702780. Its totient is φ = 161848850702778.

The previous prime is 161848850702711. The next prime is 161848850702827. The reversal of 161848850702779 is 977207058848161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161848850702779 - 2²⁷ = 161848716485051 is a prime.

It is not a weakly prime, because it can be changed into another prime (161848850702479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80924425351389 + 80924425351390.

It is an arithmetic number, because the mean of its divisors is an integer number (80924425351390).

Almost surely, 2^{161848850702779} is an apocalyptic number.

161848850702779 is a deficient number, since it is larger than the sum of its proper divisors (1).

161848850702779 is an equidigital number, since it uses as much as digits as its factorization.

161848850702779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 379330560, while the sum is 73.

The spelling of 161848850702779 in words is "one hundred sixty-one trillion, eight hundred forty-eight billion, eight hundred fifty million, seven hundred two thousand, seven hundred seventy-nine".