65080066 has 4 divisors (see below), whose sum is σ = 97620102. Its totient is φ = 32540032.

The previous prime is 65080021. The next prime is 65080109. The reversal of 65080066 is 66008056.

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

It can be written as a sum of positive squares in only one way, i.e., 39425841 + 25654225 = 6279^2 + 5065^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16270015 + ... + 16270018.

Almost surely, 2^65080066 is an apocalyptic number.

65080066 is a deficient number, since it is larger than the sum of its proper divisors (32540036).

65080066 is a wasteful number, since it uses less digits than its factorization.

65080066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32540035.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 65080066 is about 8067.2217026681. The cubic root of 65080066 is about 402.2375970583.

The spelling of 65080066 in words is "sixty-five million, eighty thousand, sixty-six".