65530663 has 8 divisors (see below), whose sum is σ = 73420560. Its totient is φ = 57962880.

The previous prime is 65530649. The next prime is 65530681. The reversal of 65530663 is 36603556.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65530663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65530463) 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, 80098 + ... + 80911.

It is an arithmetic number, because the mean of its divisors is an integer number (9177570).

Almost surely, 2^65530663 is an apocalyptic number.

65530663 is a deficient number, since it is larger than the sum of its proper divisors (7889897).

65530663 is a wasteful number, since it uses less digits than its factorization.

65530663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161057.

The product of its (nonzero) digits is 48600, while the sum is 34.

The square root of 65530663 is about 8095.1011729317. The cubic root of 65530663 is about 403.1637913355.

The spelling of 65530663 in words is "sixty-five million, five hundred thirty thousand, six hundred sixty-three".