65245666 has 8 divisors (see below), whose sum is σ = 97940304. Its totient is φ = 32598900.

The previous prime is 65245657. The next prime is 65245667. The reversal of 65245666 is 66654256.

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

It is not an unprimeable number, because it can be changed into a prime (65245667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8340 + ... + 14143.

It is an arithmetic number, because the mean of its divisors is an integer number (12242538).

Almost surely, 2^65245666 is an apocalyptic number.

65245666 is a deficient number, since it is larger than the sum of its proper divisors (32694638).

65245666 is a wasteful number, since it uses less digits than its factorization.

65245666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23936.

The product of its digits is 259200, while the sum is 40.

The square root of 65245666 is about 8077.4789383817. The cubic root of 65245666 is about 402.5784803823.

The spelling of 65245666 in words is "sixty-five million, two hundred forty-five thousand, six hundred sixty-six".