161173644153463 has 2 divisors, whose sum is σ = 161173644153464. Its totient is φ = 161173644153462.

The previous prime is 161173644153449. The next prime is 161173644153503. The reversal of 161173644153463 is 364351446371161.

161173644153463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161173644153463 - 2¹³ = 161173644145271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161173644253463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80586822076731 + 80586822076732.

It is an arithmetic number, because the mean of its divisors is an integer number (80586822076732).

Almost surely, 2^{161173644153463} is an apocalyptic number.

161173644153463 is a deficient number, since it is larger than the sum of its proper divisors (1).

161173644153463 is an equidigital number, since it uses as much as digits as its factorization.

161173644153463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 55.

The spelling of 161173644153463 in words is "one hundred sixty-one trillion, one hundred seventy-three billion, six hundred forty-four million, one hundred fifty-three thousand, four hundred sixty-three".