65060665 has 8 divisors (see below), whose sum is σ = 78846408. Its totient is φ = 51532800.

The previous prime is 65060663. The next prime is 65060719. The reversal of 65060665 is 56606056.

It can be written as a sum of positive squares in 4 ways, for example, as 19686969 + 45373696 = 4437^2 + 6736^2 .

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

It is not a de Polignac number, because 65060665 - 2¹ = 65060663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65060665.

It is not an unprimeable number, because it can be changed into a prime (65060663) 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, 63912 + ... + 64921.

It is an arithmetic number, because the mean of its divisors is an integer number (9855801).

Almost surely, 2^65060665 is an apocalyptic number.

It is an amenable number.

65060665 is a deficient number, since it is larger than the sum of its proper divisors (13785743).

65060665 is a wasteful number, since it uses less digits than its factorization.

65060665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128939.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 65060665 is about 8066.0191544528. The cubic root of 65060665 is about 402.1976227739.

The spelling of 65060665 in words is "sixty-five million, sixty thousand, six hundred sixty-five".