66088065 has 8 divisors (see below), whose sum is σ = 105740928. Its totient is φ = 35246960.

The previous prime is 66088021. The next prime is 66088067. The reversal of 66088065 is 56088066.

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

It is not a de Polignac number, because 66088065 - 2²² = 61893761 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66088067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2202921 + ... + 2202950.

It is an arithmetic number, because the mean of its divisors is an integer number (13217616).

Almost surely, 2^66088065 is an apocalyptic number.

It is an amenable number.

66088065 is a deficient number, since it is larger than the sum of its proper divisors (39652863).

66088065 is a wasteful number, since it uses less digits than its factorization.

66088065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405879.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 66088065 is about 8129.4566239079. The cubic root of 66088065 is about 404.3036655110.

Subtracting from 66088065 its reverse (56088066), we obtain a palindrome (9999999).

The spelling of 66088065 in words is "sixty-six million, eighty-eight thousand, sixty-five".