60665505 has 16 divisors (see below), whose sum is σ = 97274304. Its totient is φ = 32285120.

The previous prime is 60665491. The next prime is 60665509. The reversal of 60665505 is 50556606.

It is not a de Polignac number, because 60665505 - 2⁴ = 60665489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (60665509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3247 + ... + 11483.

It is an arithmetic number, because the mean of its divisors is an integer number (6079644).

Almost surely, 2^60665505 is an apocalyptic number.

It is an amenable number.

60665505 is a deficient number, since it is larger than the sum of its proper divisors (36608799).

60665505 is a wasteful number, since it uses less digits than its factorization.

60665505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8736.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 60665505 is about 7788.8063912258. The cubic root of 60665505 is about 392.9288698000.

Adding to 60665505 its reverse (50556606), we get a palindrome (111222111).

The spelling of 60665505 in words is "sixty million, six hundred sixty-five thousand, five hundred five".