1303103607663 has 48 divisors (see below), whose sum is σ = 2058814412928. Its totient is φ = 728255668800.

The previous prime is 1303103607653. The next prime is 1303103607691. The reversal of 1303103607663 is 3667063013031.

It is not a de Polignac number, because 1303103607663 - 2¹⁶ = 1303103542127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303103607653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4439956 + ... + 4724342.

It is an arithmetic number, because the mean of its divisors is an integer number (42891966936).

Almost surely, 2^{1303103607663} is an apocalyptic number.

1303103607663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1303103607663 is a deficient number, since it is larger than the sum of its proper divisors (755710805265).

1303103607663 is a wasteful number, since it uses less digits than its factorization.

1303103607663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285396 (or 285385 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 39.

The spelling of 1303103607663 in words is "one trillion, three hundred three billion, one hundred three million, six hundred seven thousand, six hundred sixty-three".