134644232042166 has 64 divisors (see below), whose sum is σ = 335737645940736. Its totient is φ = 34972384154400.

The previous prime is 134644232042149. The next prime is 134644232042167. The reversal of 134644232042166 is 661240232446431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134644232042167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156680601 + ... + 157537611.

It is an arithmetic number, because the mean of its divisors is an integer number (5245900717824).

Almost surely, 2^{134644232042166} is an apocalyptic number.

134644232042166 is an abundant number, since it is smaller than the sum of its proper divisors (201093413898570).

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

134644232042166 is a wasteful number, since it uses less digits than its factorization.

134644232042166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197097.

The product of its (nonzero) digits is 3981312, while the sum is 48.

Adding to 134644232042166 its reverse (661240232446431), we get a palindrome (795884464488597).

The spelling of 134644232042166 in words is "one hundred thirty-four trillion, six hundred forty-four billion, two hundred thirty-two million, forty-two thousand, one hundred sixty-six".