66006065 has 8 divisors (see below), whose sum is σ = 79282368. Its totient is φ = 52754800.

The previous prime is 66006047. The next prime is 66006079. The reversal of 66006065 is 56060066.

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

It is a de Polignac number, because none of the positive numbers 2^k-66006065 is a prime.

It is a Duffinian number.

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, 140 + ... + 11490.

It is an arithmetic number, because the mean of its divisors is an integer number (9910296).

Almost surely, 2^66006065 is an apocalyptic number.

It is an amenable number.

66006065 is a deficient number, since it is larger than the sum of its proper divisors (13276303).

66006065 is a wasteful number, since it uses less digits than its factorization.

66006065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12519.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 66006065 is about 8124.4116710073. The cubic root of 66006065 is about 404.1363805319.

The spelling of 66006065 in words is "sixty-six million, six thousand, sixty-five".