2663016401 has 2 divisors, whose sum is σ = 2663016402. Its totient is φ = 2663016400.

The previous prime is 2663016373. The next prime is 2663016409. The reversal of 2663016401 is 1046103662.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1448563600 + 1214452801 = 38060^2 + 34849^2 .

It is a cyclic number.

It is not a de Polignac number, because 2663016401 - 2¹⁴ = 2663000017 is a prime.

It is not a weakly prime, because it can be changed into another prime (2663016409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331508200 + 1331508201.

It is an arithmetic number, because the mean of its divisors is an integer number (1331508201).

Almost surely, 2^2663016401 is an apocalyptic number.

It is an amenable number.

2663016401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663016401 is an equidigital number, since it uses as much as digits as its factorization.

2663016401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2663016401 is about 51604.4223008067. The cubic root of 2663016401 is about 1386.0895215601.

The spelling of 2663016401 in words is "two billion, six hundred sixty-three million, sixteen thousand, four hundred one".