6616261363 has 2 divisors, whose sum is σ = 6616261364. Its totient is φ = 6616261362.

The previous prime is 6616261271. The next prime is 6616261367. The reversal of 6616261363 is 3631626166.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6616261363 - 2⁹ = 6616260851 is a prime.

It is not a weakly prime, because it can be changed into another prime (6616261367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3308130681 + 3308130682.

It is an arithmetic number, because the mean of its divisors is an integer number (3308130682).

Almost surely, 2^6616261363 is an apocalyptic number.

6616261363 is a deficient number, since it is larger than the sum of its proper divisors (1).

6616261363 is an equidigital number, since it uses as much as digits as its factorization.

6616261363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 40.

The square root of 6616261363 is about 81340.4042465981. The cubic root of 6616261363 is about 1877.3167321880.

The spelling of 6616261363 in words is "six billion, six hundred sixteen million, two hundred sixty-one thousand, three hundred sixty-three".