66017343 has 16 divisors (see below), whose sum is σ = 105893120. Its totient is φ = 35738496.

The previous prime is 66017323. The next prime is 66017353. The reversal of 66017343 is 34371066.

It is not a de Polignac number, because 66017343 - 2⁶ = 66017279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66017343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66017323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82330 + ... + 83127.

It is an arithmetic number, because the mean of its divisors is an integer number (6618320).

Almost surely, 2^66017343 is an apocalyptic number.

66017343 is a deficient number, since it is larger than the sum of its proper divisors (39875777).

66017343 is a wasteful number, since it uses less digits than its factorization.

66017343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165486.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 66017343 is about 8125.1057223891. The cubic root of 66017343 is about 404.1593965509.

The spelling of 66017343 in words is "sixty-six million, seventeen thousand, three hundred forty-three".