13106335665 has 16 divisors (see below), whose sum is σ = 21103708608. Its totient is φ = 6945521856.

The previous prime is 13106335639. The next prime is 13106335673. The reversal of 13106335665 is 56653360131.

It is not a de Polignac number, because 13106335665 - 2¹³ = 13106327473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2780307 + ... + 2785016.

It is an arithmetic number, because the mean of its divisors is an integer number (1318981788).

Almost surely, 2^13106335665 is an apocalyptic number.

13106335665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13106335665 is a deficient number, since it is larger than the sum of its proper divisors (7997372943).

13106335665 is a wasteful number, since it uses less digits than its factorization.

13106335665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565488.

The product of its (nonzero) digits is 145800, while the sum is 39.

Adding to 13106335665 its reverse (56653360131), we get a palindrome (69759695796).

The spelling of 13106335665 in words is "thirteen billion, one hundred six million, three hundred thirty-five thousand, six hundred sixty-five".