13420864216266 has 16 divisors (see below), whose sum is σ = 28906476773664. Its totient is φ = 4129496681904.

The previous prime is 13420864216229. The next prime is 13420864216283. The reversal of 13420864216266 is 66261246802431.

It is a happy number.

It is a super-2 number, since 2×13420864216266² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86031180796 + ... + 86031180951.

It is an arithmetic number, because the mean of its divisors is an integer number (1806654798354).

Almost surely, 2^{13420864216266} is an apocalyptic number.

13420864216266 is an abundant number, since it is smaller than the sum of its proper divisors (15485612557398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13420864216266 is a wasteful number, since it uses less digits than its factorization.

13420864216266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172062361765.

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 13420864216266 in words is "thirteen trillion, four hundred twenty billion, eight hundred sixty-four million, two hundred sixteen thousand, two hundred sixty-six".