245553166303 has 2 divisors, whose sum is σ = 245553166304. Its totient is φ = 245553166302.

The previous prime is 245553166279. The next prime is 245553166319. The reversal of 245553166303 is 303661355542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245553166303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245553166303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245553166603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122776583151 + 122776583152.

It is an arithmetic number, because the mean of its divisors is an integer number (122776583152).

Almost surely, 2^245553166303 is an apocalyptic number.

245553166303 is a deficient number, since it is larger than the sum of its proper divisors (1).

245553166303 is an equidigital number, since it uses as much as digits as its factorization.

245553166303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972000, while the sum is 43.

The spelling of 245553166303 in words is "two hundred forty-five billion, five hundred fifty-three million, one hundred sixty-six thousand, three hundred three".