13065406465066 has 4 divisors (see below), whose sum is σ = 19598109697602. Its totient is φ = 6532703232532.

The previous prime is 13065406464983. The next prime is 13065406465099. The reversal of 13065406465066 is 66056460456031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10114174517841 + 2951231947225 = 3180279^2 + 1717915^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3266351616265 + ... + 3266351616268.

Almost surely, 2^{13065406465066} is an apocalyptic number.

13065406465066 is a deficient number, since it is larger than the sum of its proper divisors (6532703232536).

13065406465066 is an equidigital number, since it uses as much as digits as its factorization.

13065406465066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6532703232535.

The product of its (nonzero) digits is 9331200, while the sum is 52.

The spelling of 13065406465066 in words is "thirteen trillion, sixty-five billion, four hundred six million, four hundred sixty-five thousand, sixty-six".