161213443471627 has 2 divisors, whose sum is σ = 161213443471628. Its totient is φ = 161213443471626.

The previous prime is 161213443471601. The next prime is 161213443471631. The reversal of 161213443471627 is 726174344312161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161213443471627 - 2³⁵ = 161179083733259 is a prime.

It is not a weakly prime, because it can be changed into another prime (161213443471657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80606721735813 + 80606721735814.

It is an arithmetic number, because the mean of its divisors is an integer number (80606721735814).

Almost surely, 2^{161213443471627} is an apocalyptic number.

161213443471627 is a deficient number, since it is larger than the sum of its proper divisors (1).

161213443471627 is an equidigital number, since it uses as much as digits as its factorization.

161213443471627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4064256, while the sum is 52.

Adding to 161213443471627 its reverse (726174344312161), we get a palindrome (887387787783788).

The spelling of 161213443471627 in words is "one hundred sixty-one trillion, two hundred thirteen billion, four hundred forty-three million, four hundred seventy-one thousand, six hundred twenty-seven".