66466343 has 4 divisors (see below), whose sum is σ = 69356208. Its totient is φ = 63576480.

The previous prime is 66466333. The next prime is 66466409. The reversal of 66466343 is 34366466.

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 66466343 - 2⁴ = 66466327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66466297 and 66466306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66466333) 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, 1444898 + ... + 1444943.

It is an arithmetic number, because the mean of its divisors is an integer number (17339052).

Almost surely, 2^66466343 is an apocalyptic number.

66466343 is a deficient number, since it is larger than the sum of its proper divisors (2889865).

66466343 is a wasteful number, since it uses less digits than its factorization.

66466343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889864.

The product of its digits is 186624, while the sum is 38.

The square root of 66466343 is about 8152.6893108961. The cubic root of 66466343 is about 405.0735892291.

The spelling of 66466343 in words is "sixty-six million, four hundred sixty-six thousand, three hundred forty-three".