65600066 has 8 divisors (see below), whose sum is σ = 112457280. Its totient is φ = 28114308.

The previous prime is 65599993. The next prime is 65600107. The reversal of 65600066 is 66000656.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2342846 + ... + 2342873.

It is an arithmetic number, because the mean of its divisors is an integer number (14057160).

Almost surely, 2^65600066 is an apocalyptic number.

65600066 is a deficient number, since it is larger than the sum of its proper divisors (46857214).

65600066 is a wasteful number, since it uses less digits than its factorization.

65600066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685728.

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

The square root of 65600066 is about 8099.3867669102. The cubic root of 65600066 is about 403.3060702986.

The spelling of 65600066 in words is "sixty-five million, six hundred thousand, sixty-six".