43686168068478 has 32 divisors (see below), whose sum is σ = 96636346835616. Its totient is φ = 13078603329408.

The previous prime is 43686168068407. The next prime is 43686168068591. The reversal of 43686168068478 is 87486086168634.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7568633301 + ... + 7568639072.

It is an arithmetic number, because the mean of its divisors is an integer number (3019885838613).

Almost surely, 2^{43686168068478} is an apocalyptic number.

43686168068478 is an abundant number, since it is smaller than the sum of its proper divisors (52950178767138).

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

43686168068478 is a wasteful number, since it uses less digits than its factorization.

43686168068478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15137272428.

The product of its (nonzero) digits is 1783627776, while the sum is 75.

The spelling of 43686168068478 in words is "forty-three trillion, six hundred eighty-six billion, one hundred sixty-eight million, sixty-eight thousand, four hundred seventy-eight".