65166315 has 16 divisors (see below), whose sum is σ = 104960256. Its totient is φ = 34524000.

The previous prime is 65166313. The next prime is 65166319. The reversal of 65166315 is 51366156.

It is not a de Polignac number, because 65166315 - 2¹ = 65166313 is a prime.

It is a super-2 number, since 2×65166315² = 8493297221358450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65166313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12121 + ... + 16650.

It is an arithmetic number, because the mean of its divisors is an integer number (6560016).

Almost surely, 2^65166315 is an apocalyptic number.

65166315 is a deficient number, since it is larger than the sum of its proper divisors (39793941).

65166315 is a wasteful number, since it uses less digits than its factorization.

65166315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28930.

The product of its digits is 16200, while the sum is 33.

The square root of 65166315 is about 8072.5655773118. The cubic root of 65166315 is about 402.4152104617.

It can be divided in two parts, 651 and 66315, that added together give a palindrome (66966).

The spelling of 65166315 in words is "sixty-five million, one hundred sixty-six thousand, three hundred fifteen".