65516105 has 8 divisors (see below), whose sum is σ = 78958152. Its totient is φ = 52187008.

The previous prime is 65516089. The next prime is 65516107. The reversal of 65516105 is 50161556.

It can be written as a sum of positive squares in 4 ways, for example, as 2202256 + 63313849 = 1484^2 + 7957^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 65516105 - 2⁴ = 65516089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65516107) 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, 26954 + ... + 29283.

It is an arithmetic number, because the mean of its divisors is an integer number (9869769).

Almost surely, 2^65516105 is an apocalyptic number.

It is an amenable number.

65516105 is a deficient number, since it is larger than the sum of its proper divisors (13442047).

65516105 is a wasteful number, since it uses less digits than its factorization.

65516105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56475.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 65516105 is about 8094.2019371894. The cubic root of 65516105 is about 403.1339341008.

The spelling of 65516105 in words is "sixty-five million, five hundred sixteen thousand, one hundred five".