166452241236427 has 2 divisors, whose sum is σ = 166452241236428. Its totient is φ = 166452241236426.

The previous prime is 166452241236361. The next prime is 166452241236451. The reversal of 166452241236427 is 724632142254661.

166452241236427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166452241236427 - 2¹¹ = 166452241234379 is a prime.

It is a super-2 number, since 2×166452241236427² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (166452241276427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83226120618213 + 83226120618214.

It is an arithmetic number, because the mean of its divisors is an integer number (83226120618214).

Almost surely, 2^{166452241236427} is an apocalyptic number.

166452241236427 is a deficient number, since it is larger than the sum of its proper divisors (1).

166452241236427 is an equidigital number, since it uses as much as digits as its factorization.

166452241236427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23224320, while the sum is 55.

The spelling of 166452241236427 in words is "one hundred sixty-six trillion, four hundred fifty-two billion, two hundred forty-one million, two hundred thirty-six thousand, four hundred twenty-seven".