65360665 has 16 divisors (see below), whose sum is σ = 87419520. Its totient is φ = 46621440.

The previous prime is 65360579. The next prime is 65360723. The reversal of 65360665 is 56606356.

It is a happy number.

It is not a de Polignac number, because 65360665 - 2⁹ = 65360153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18621 + ... + 21850.

It is an arithmetic number, because the mean of its divisors is an integer number (5463720).

Almost surely, 2^65360665 is an apocalyptic number.

It is an amenable number.

65360665 is a deficient number, since it is larger than the sum of its proper divisors (22058855).

65360665 is a wasteful number, since it uses less digits than its factorization.

65360665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40512.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 65360665 is about 8084.5943002726. The cubic root of 65360665 is about 402.8148636412.

The spelling of 65360665 in words is "sixty-five million, three hundred sixty thousand, six hundred sixty-five".