66227286410 has 64 divisors (see below), whose sum is σ = 128232992160. Its totient is φ = 24538152960.

The previous prime is 66227286409. The next prime is 66227286413. The reversal of 66227286410 is 1468272266.

It can be written as a sum of positive squares in 16 ways, for example, as 2353317121 + 63873969289 = 48511^2 + 252733^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66227286413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2973596 + ... + 2995784.

Almost surely, 2^66227286410 is an apocalyptic number.

66227286410 is a deficient number, since it is larger than the sum of its proper divisors (62005705750).

66227286410 is a wasteful number, since it uses less digits than its factorization.

66227286410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22491.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 66227286410 in words is "sixty-six billion, two hundred twenty-seven million, two hundred eighty-six thousand, four hundred ten".