64065518 has 8 divisors (see below), whose sum is σ = 104834520. Its totient is φ = 29120680.

The previous prime is 64065487. The next prime is 64065527. The reversal of 64065518 is 81556046.

It is a happy number.

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

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 in 3 ways as a sum of consecutive naturals, for example, 1456013 + ... + 1456056.

It is an arithmetic number, because the mean of its divisors is an integer number (13104315).

Almost surely, 2^64065518 is an apocalyptic number.

64065518 is a deficient number, since it is larger than the sum of its proper divisors (40769002).

64065518 is a wasteful number, since it uses less digits than its factorization.

64065518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912082.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 64065518 is about 8004.0938275360. The cubic root of 64065518 is about 400.1364492820.

The spelling of 64065518 in words is "sixty-four million, sixty-five thousand, five hundred eighteen".