65266868 has 12 divisors (see below), whose sum is σ = 114327780. Its totient is φ = 32601792.

The previous prime is 65266841. The next prime is 65266871. The reversal of 65266868 is 86866256.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19731364 + 45535504 = 4442^2 + 6748^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2921 + ... + 11792.

It is an arithmetic number, because the mean of its divisors is an integer number (9527315).

Almost surely, 2^65266868 is an apocalyptic number.

It is an amenable number.

65266868 is a deficient number, since it is larger than the sum of its proper divisors (49060912).

65266868 is a wasteful number, since it uses less digits than its factorization.

65266868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15826 (or 15824 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The square root of 65266868 is about 8078.7912462199. The cubic root of 65266868 is about 402.6220824843.

The spelling of 65266868 in words is "sixty-five million, two hundred sixty-six thousand, eight hundred sixty-eight".