65226816 has 56 divisors (see below), whose sum is σ = 191759840. Its totient is φ = 21741696.

The previous prime is 65226809. The next prime is 65226869. The reversal of 65226816 is 61862256.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17146 + ... + 20601.

Almost surely, 2^65226816 is an apocalyptic number.

It is an amenable number.

65226816 is an abundant number, since it is smaller than the sum of its proper divisors (126533024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65226816 is a wasteful number, since it uses less digits than its factorization.

65226816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37768 (or 37752 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 65226816 is about 8076.3120296333. The cubic root of 65226816 is about 402.5397072564.

The spelling of 65226816 in words is "sixty-five million, two hundred twenty-six thousand, eight hundred sixteen".