161170633273939 has 2 divisors, whose sum is σ = 161170633273940. Its totient is φ = 161170633273938.

The previous prime is 161170633273823. The next prime is 161170633273943. The reversal of 161170633273939 is 939372336071161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161170633273939 - 2²⁹ = 161170096403027 is a prime.

It is not a weakly prime, because it can be changed into another prime (161170633273739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80585316636969 + 80585316636970.

It is an arithmetic number, because the mean of its divisors is an integer number (80585316636970).

Almost surely, 2^{161170633273939} is an apocalyptic number.

161170633273939 is a deficient number, since it is larger than the sum of its proper divisors (1).

161170633273939 is an equidigital number, since it uses as much as digits as its factorization.

161170633273939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23147208, while the sum is 61.

The spelling of 161170633273939 in words is "one hundred sixty-one trillion, one hundred seventy billion, six hundred thirty-three million, two hundred seventy-three thousand, nine hundred thirty-nine".