13660706606479 has 4 divisors (see below), whose sum is σ = 13662103273720. Its totient is φ = 13659309939240.

The previous prime is 13660706606461. The next prime is 13660706606509. The reversal of 13660706606479 is 97460660706631.

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

It is a cyclic number.

It is not a de Polignac number, because 13660706606479 - 2⁹ = 13660706605967 is a prime.

It is a super-2 number, since 2×13660706606479² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13660706606429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698318949 + ... + 698338510.

It is an arithmetic number, because the mean of its divisors is an integer number (3415525818430).

Almost surely, 2^{13660706606479} is an apocalyptic number.

13660706606479 is a deficient number, since it is larger than the sum of its proper divisors (1396667241).

13660706606479 is an equidigital number, since it uses as much as digits as its factorization.

13660706606479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396667240.

The product of its (nonzero) digits is 41150592, while the sum is 61.

The spelling of 13660706606479 in words is "thirteen trillion, six hundred sixty billion, seven hundred six million, six hundred six thousand, four hundred seventy-nine".