161226625016033 has 2 divisors, whose sum is σ = 161226625016034. Its totient is φ = 161226625016032.

The previous prime is 161226625016011. The next prime is 161226625016059. The reversal of 161226625016033 is 330610526622161.

161226625016033 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 can be written as a sum of positive squares in only one way, i.e., 149299879881889 + 11926745134144 = 12218833^2 + 3453512^2 .

It is a cyclic number.

It is not a de Polignac number, because 161226625016033 - 2¹⁸ = 161226624753889 is a prime.

It is a super-2 number, since 2×161226625016033² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (161226625013033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80613312508016 + 80613312508017.

It is an arithmetic number, because the mean of its divisors is an integer number (80613312508017).

Almost surely, 2^{161226625016033} is an apocalyptic number.

It is an amenable number.

161226625016033 is a deficient number, since it is larger than the sum of its proper divisors (1).

161226625016033 is an equidigital number, since it uses as much as digits as its factorization.

161226625016033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 161226625016033 in words is "one hundred sixty-one trillion, two hundred twenty-six billion, six hundred twenty-five million, sixteen thousand, thirty-three".