161263133674067 has 2 divisors, whose sum is σ = 161263133674068. Its totient is φ = 161263133674066.

The previous prime is 161263133673973. The next prime is 161263133674193. The reversal of 161263133674067 is 760476331362161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161263133674067 - 2¹² = 161263133669971 is a prime.

It is not a weakly prime, because it can be changed into another prime (161263133677067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80631566837033 + 80631566837034.

It is an arithmetic number, because the mean of its divisors is an integer number (80631566837034).

Almost surely, 2^{161263133674067} is an apocalyptic number.

161263133674067 is a deficient number, since it is larger than the sum of its proper divisors (1).

161263133674067 is an equidigital number, since it uses as much as digits as its factorization.

161263133674067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13716864, while the sum is 56.

The spelling of 161263133674067 in words is "one hundred sixty-one trillion, two hundred sixty-three billion, one hundred thirty-three million, six hundred seventy-four thousand, sixty-seven".