66514343 has 8 divisors (see below), whose sum is σ = 76182912. Its totient is φ = 56887416.

The previous prime is 66514337. The next prime is 66514361. The reversal of 66514343 is 34341566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66514343 - 2⁸ = 66514087 is a prime.

It is a super-3 number, since 3×66514343³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66514363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6905 + ... + 13442.

It is an arithmetic number, because the mean of its divisors is an integer number (9522864).

Almost surely, 2^66514343 is an apocalyptic number.

66514343 is a deficient number, since it is larger than the sum of its proper divisors (9668569).

66514343 is a wasteful number, since it uses less digits than its factorization.

66514343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20821.

The product of its digits is 25920, while the sum is 32.

The square root of 66514343 is about 8155.6325934902. The cubic root of 66514343 is about 405.1710764323.

The spelling of 66514343 in words is "sixty-six million, five hundred fourteen thousand, three hundred forty-three".