1306604661303 has 32 divisors (see below), whose sum is σ = 1798839947520. Its totient is φ = 843182841600.

The previous prime is 1306604661289. The next prime is 1306604661371. The reversal of 1306604661303 is 3031664066031.

It is not a de Polignac number, because 1306604661303 - 2¹² = 1306604657207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306604661403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31013953 + ... + 31056053.

It is an arithmetic number, because the mean of its divisors is an integer number (56213748360).

Almost surely, 2^{1306604661303} is an apocalyptic number.

1306604661303 is a deficient number, since it is larger than the sum of its proper divisors (492235286217).

1306604661303 is a wasteful number, since it uses less digits than its factorization.

1306604661303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44847.

The product of its (nonzero) digits is 139968, while the sum is 39.

The spelling of 1306604661303 in words is "one trillion, three hundred six billion, six hundred four million, six hundred sixty-one thousand, three hundred three".