66755126232343 has 4 divisors (see below), whose sum is σ = 68307571028488. Its totient is φ = 65202681436200.

The previous prime is 66755126232313. The next prime is 66755126232433. The reversal of 66755126232343 is 34323262155766.

It is a happy number.

66755126232343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66755126232343 - 2⁹ = 66755126231831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66755126232313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776222398008 + ... + 776222398093.

It is an arithmetic number, because the mean of its divisors is an integer number (17076892757122).

Almost surely, 2^{66755126232343} is an apocalyptic number.

66755126232343 is a deficient number, since it is larger than the sum of its proper divisors (1552444796145).

66755126232343 is a wasteful number, since it uses less digits than its factorization.

66755126232343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552444796144.

The product of its digits is 32659200, while the sum is 55.

The spelling of 66755126232343 in words is "sixty-six trillion, seven hundred fifty-five billion, one hundred twenty-six million, two hundred thirty-two thousand, three hundred forty-three".