43234166643 has 16 divisors (see below), whose sum is σ = 58286432256. Its totient is φ = 28503800640.

The previous prime is 43234166611. The next prime is 43234166663. The reversal of 43234166643 is 34666143234.

It is a happy number.

It is not a de Polignac number, because 43234166643 - 2⁵ = 43234166611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43234166595 and 43234166604.

It is not an unprimeable number, because it can be changed into a prime (43234166663) by changing a digit.

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, 63946 + ... + 300927.

It is an arithmetic number, because the mean of its divisors is an integer number (3642902016).

Almost surely, 2^43234166643 is an apocalyptic number.

43234166643 is a deficient number, since it is larger than the sum of its proper divisors (15052265613).

43234166643 is a wasteful number, since it uses less digits than its factorization.

43234166643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365314.

The product of its digits is 746496, while the sum is 42.

The spelling of 43234166643 in words is "forty-three billion, two hundred thirty-four million, one hundred sixty-six thousand, six hundred forty-three".