129289480166 has 32 divisors (see below), whose sum is σ = 241809684480. Its totient is φ = 50368032000.

The previous prime is 129289480157. The next prime is 129289480247. The reversal of 129289480166 is 661084982921.

129289480166 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2083691 + ... + 2144841.

It is an arithmetic number, because the mean of its divisors is an integer number (7556552640).

Almost surely, 2^129289480166 is an apocalyptic number.

129289480166 is a deficient number, since it is larger than the sum of its proper divisors (112520204314).

129289480166 is a wasteful number, since it uses less digits than its factorization.

129289480166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74900.

The product of its (nonzero) digits is 2985984, while the sum is 56.

The spelling of 129289480166 in words is "one hundred twenty-nine billion, two hundred eighty-nine million, four hundred eighty thousand, one hundred sixty-six".