181424262350641 has 16 divisors (see below), whose sum is σ = 185337548288640. Its totient is φ = 177549927384960.

The previous prime is 181424262350593. The next prime is 181424262350651. The reversal of 181424262350641 is 146053262424181.

It is a cyclic number.

It is not a de Polignac number, because 181424262350641 - 2⁴⁷ = 40686773995313 is a prime.

It is a super-2 number, since 2×181424262350641² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (181424262350651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72432355 + ... + 74895223.

It is an arithmetic number, because the mean of its divisors is an integer number (11583596768040).

Almost surely, 2^{181424262350641} is an apocalyptic number.

It is an amenable number.

181424262350641 is a deficient number, since it is larger than the sum of its proper divisors (3913285937999).

181424262350641 is a wasteful number, since it uses less digits than its factorization.

181424262350641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470776.

The product of its (nonzero) digits is 2211840, while the sum is 49.

The spelling of 181424262350641 in words is "one hundred eighty-one trillion, four hundred twenty-four billion, two hundred sixty-two million, three hundred fifty thousand, six hundred forty-one".