66343339 has 4 divisors (see below), whose sum is σ = 69227856. Its totient is φ = 63458824.

The previous prime is 66343337. The next prime is 66343351. The reversal of 66343339 is 93334366.

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 66343339 - 2¹ = 66343337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66343298 and 66343307.

It is not an unprimeable number, because it can be changed into a prime (66343337) 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, 1442224 + ... + 1442269.

It is an arithmetic number, because the mean of its divisors is an integer number (17306964).

Almost surely, 2^66343339 is an apocalyptic number.

66343339 is a deficient number, since it is larger than the sum of its proper divisors (2884517).

66343339 is a wasteful number, since it uses less digits than its factorization.

66343339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884516.

The product of its digits is 104976, while the sum is 37.

The square root of 66343339 is about 8145.1420490990. The cubic root of 66343339 is about 404.8235557169.

The spelling of 66343339 in words is "sixty-six million, three hundred forty-three thousand, three hundred thirty-nine".