1304340325666 has 16 divisors (see below), whose sum is σ = 2333229899904. Its totient is φ = 534698518464.

The previous prime is 1304340325663. The next prime is 1304340325669. The reversal of 1304340325666 is 6665230434031.

It is an interprime number because it is at equal distance from previous prime (1304340325663) and next prime (1304340325669).

It is not an unprimeable number, because it can be changed into a prime (1304340325663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025372855 + ... + 2025373498.

It is an arithmetic number, because the mean of its divisors is an integer number (145826868744).

Almost surely, 2^{1304340325666} is an apocalyptic number.

1304340325666 is a deficient number, since it is larger than the sum of its proper divisors (1028889574238).

1304340325666 is a wasteful number, since it uses less digits than its factorization.

1304340325666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050746385.

The product of its (nonzero) digits is 933120, while the sum is 43.

Adding to 1304340325666 its reverse (6665230434031), we get a palindrome (7969570759697).

The spelling of 1304340325666 in words is "one trillion, three hundred four billion, three hundred forty million, three hundred twenty-five thousand, six hundred sixty-six".