245553166319 has 2 divisors, whose sum is σ = 245553166320. Its totient is φ = 245553166318.

The previous prime is 245553166303. The next prime is 245553166361. The reversal of 245553166319 is 913661355542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245553166319 - 2⁴ = 245553166303 is a prime.

It is a super-2 number, since 2×245553166319² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245553166519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122776583159 + 122776583160.

It is an arithmetic number, because the mean of its divisors is an integer number (122776583160).

Almost surely, 2^245553166319 is an apocalyptic number.

245553166319 is a deficient number, since it is larger than the sum of its proper divisors (1).

245553166319 is an equidigital number, since it uses as much as digits as its factorization.

245553166319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916000, while the sum is 50.

The spelling of 245553166319 in words is "two hundred forty-five billion, five hundred fifty-three million, one hundred sixty-six thousand, three hundred nineteen".