2555146663 has 2 divisors, whose sum is σ = 2555146664. Its totient is φ = 2555146662.

The previous prime is 2555146579. The next prime is 2555146673. The reversal of 2555146663 is 3666415552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2555146663 - 2⁹ = 2555146151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555146673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277573331 + 1277573332.

It is an arithmetic number, because the mean of its divisors is an integer number (1277573332).

Almost surely, 2^2555146663 is an apocalyptic number.

2555146663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555146663 is an equidigital number, since it uses as much as digits as its factorization.

2555146663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 43.

The square root of 2555146663 is about 50548.4585620571. The cubic root of 2555146663 is about 1367.1157219633.

The spelling of 2555146663 in words is "two billion, five hundred fifty-five million, one hundred forty-six thousand, six hundred sixty-three".