161484774162427 has 2 divisors, whose sum is σ = 161484774162428. Its totient is φ = 161484774162426.

The previous prime is 161484774162419. The next prime is 161484774162433. The reversal of 161484774162427 is 724261477484161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161484774162427 - 2³ = 161484774162419 is a prime.

It is not a weakly prime, because it can be changed into another prime (161484774162487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80742387081213 + 80742387081214.

It is an arithmetic number, because the mean of its divisors is an integer number (80742387081214).

Almost surely, 2^{161484774162427} is an apocalyptic number.

161484774162427 is a deficient number, since it is larger than the sum of its proper divisors (1).

161484774162427 is an equidigital number, since it uses as much as digits as its factorization.

161484774162427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 101154816, while the sum is 64.

The spelling of 161484774162427 in words is "one hundred sixty-one trillion, four hundred eighty-four billion, seven hundred seventy-four million, one hundred sixty-two thousand, four hundred twenty-seven".