13980447166 has 32 divisors (see below), whose sum is σ = 24436505088. Its totient is φ = 5874279840.

The previous prime is 13980447157. The next prime is 13980447179. The reversal of 13980447166 is 66174408931.

13980447166 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-2 number, since 2×13980447166² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1138801 + ... + 1151011.

It is an arithmetic number, because the mean of its divisors is an integer number (763640784).

Almost surely, 2^13980447166 is an apocalyptic number.

13980447166 is a deficient number, since it is larger than the sum of its proper divisors (10456057922).

13980447166 is a wasteful number, since it uses less digits than its factorization.

13980447166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13816.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 13980447166 in words is "thirteen billion, nine hundred eighty million, four hundred forty-seven thousand, one hundred sixty-six".