2124166481 has 2 divisors, whose sum is σ = 2124166482. Its totient is φ = 2124166480.

The previous prime is 2124166453. The next prime is 2124166493. The reversal of 2124166481 is 1846614212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1209648400 + 914518081 = 34780^2 + 30241^2 .

It is a cyclic number.

It is not a de Polignac number, because 2124166481 - 2³⁰ = 1050424657 is a prime.

It is a super-2 number, since 2×2124166481² = 9024166478007846722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2124160481) 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 as a sum of consecutive naturals, namely, 1062083240 + 1062083241.

It is an arithmetic number, because the mean of its divisors is an integer number (1062083241).

Almost surely, 2^2124166481 is an apocalyptic number.

It is an amenable number.

2124166481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124166481 is an equidigital number, since it uses as much as digits as its factorization.

2124166481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 35.

The square root of 2124166481 is about 46088.6806168282. The cubic root of 2124166481 is about 1285.4726782827.

The spelling of 2124166481 in words is "two billion, one hundred twenty-four million, one hundred sixty-six thousand, four hundred eighty-one".