13861265066 has 16 divisors (see below), whose sum is σ = 22704107328. Its totient is φ = 6294453600.

The previous prime is 13861265057. The next prime is 13861265071. The reversal of 13861265066 is 66056216831.

13861265066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×13861265066³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282875 + ... + 328238.

It is an arithmetic number, because the mean of its divisors is an integer number (1419006708).

Almost surely, 2^13861265066 is an apocalyptic number.

13861265066 is a deficient number, since it is larger than the sum of its proper divisors (8842842262).

13861265066 is a wasteful number, since it uses less digits than its factorization.

13861265066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612157.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 13861265066 in words is "thirteen billion, eight hundred sixty-one million, two hundred sixty-five thousand, sixty-six".