66342334 has 4 divisors (see below), whose sum is σ = 99513504. Its totient is φ = 33171166.

The previous prime is 66342317. The next prime is 66342361. The reversal of 66342334 is 43324366.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 66342296 and 66342305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16585582 + ... + 16585585.

It is an arithmetic number, because the mean of its divisors is an integer number (24878376).

Almost surely, 2^66342334 is an apocalyptic number.

66342334 is a deficient number, since it is larger than the sum of its proper divisors (33171170).

66342334 is a wasteful number, since it uses less digits than its factorization.

66342334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33171169.

The product of its digits is 31104, while the sum is 31.

The square root of 66342334 is about 8145.0803556503. The cubic root of 66342334 is about 404.8215115543.

The spelling of 66342334 in words is "sixty-six million, three hundred forty-two thousand, three hundred thirty-four".