66335345 has 8 divisors (see below), whose sum is σ = 79656360. Its totient is φ = 53032320.

The previous prime is 66335323. The next prime is 66335393. The reversal of 66335345 is 54353366.

It can be written as a sum of positive squares in 4 ways, for example, as 10609 + 66324736 = 103^2 + 8144^2 .

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

It is not a de Polignac number, because 66335345 - 2⁶ = 66335281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5741 + ... + 12869.

It is an arithmetic number, because the mean of its divisors is an integer number (9957045).

Almost surely, 2^66335345 is an apocalyptic number.

It is an amenable number.

66335345 is a deficient number, since it is larger than the sum of its proper divisors (13321015).

66335345 is a wasteful number, since it uses less digits than its factorization.

66335345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8995.

The product of its digits is 97200, while the sum is 35.

The square root of 66335345 is about 8144.6513123645. The cubic root of 66335345 is about 404.8072954083.

The spelling of 66335345 in words is "sixty-six million, three hundred thirty-five thousand, three hundred forty-five".