43666676765912 has 16 divisors (see below), whose sum is σ = 81875090241360. Its totient is φ = 21833319368224.

The previous prime is 43666676765911. The next prime is 43666676765947. The reversal of 43666676765912 is 21956767666634.

It is a self number, because there is not a number n which added to its sum of digits gives 43666676765912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43666676765911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14111093 + ... + 16925019.

It is an arithmetic number, because the mean of its divisors is an integer number (5117193140085).

Almost surely, 2^{43666676765912} is an apocalyptic number.

It is an amenable number.

43666676765912 is a deficient number, since it is larger than the sum of its proper divisors (38208413475448).

43666676765912 is a wasteful number, since it uses less digits than its factorization.

43666676765912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4753690 (or 4753686 counting only the distinct ones).

The product of its digits is 2469035520, while the sum is 74.

The spelling of 43666676765912 in words is "forty-three trillion, six hundred sixty-six billion, six hundred seventy-six million, seven hundred sixty-five thousand, nine hundred twelve".