66465341 has 4 divisors (see below), whose sum is σ = 66494652. Its totient is φ = 66436032.

The previous prime is 66465299. The next prime is 66465353. The reversal of 66465341 is 14356466.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17884441 + 48580900 = 4229^2 + 6970^2 .

It is a cyclic number.

It is not a de Polignac number, because 66465341 - 2¹⁴ = 66448957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66465391) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 10940 + ... + 15893.

It is an arithmetic number, because the mean of its divisors is an integer number (16623663).

Almost surely, 2^66465341 is an apocalyptic number.

It is an amenable number.

66465341 is a deficient number, since it is larger than the sum of its proper divisors (29311).

66465341 is a wasteful number, since it uses less digits than its factorization.

66465341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29310.

The product of its digits is 51840, while the sum is 35.

The square root of 66465341 is about 8152.6278585497. The cubic root of 66465341 is about 405.0715536837.

The spelling of 66465341 in words is "sixty-six million, four hundred sixty-five thousand, three hundred forty-one".