66034256 has 20 divisors (see below), whose sum is σ = 135467892. Its totient is φ = 31074816.

The previous prime is 66034229. The next prime is 66034259. The reversal of 66034256 is 65243066.

It can be written as a sum of positive squares in 2 ways, for example, as 49224256 + 16810000 = 7016^2 + 4100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66034259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121115 + ... + 121658.

Almost surely, 2^66034256 is an apocalyptic number.

It is an amenable number.

66034256 is an abundant number, since it is smaller than the sum of its proper divisors (69433636).

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

66034256 is a wasteful number, since it uses less digits than its factorization.

66034256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242798 (or 242792 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 66034256 is about 8126.1464421951. The cubic root of 66034256 is about 404.1939075037.

The spelling of 66034256 in words is "sixty-six million, thirty-four thousand, two hundred fifty-six".