66385526356 has 12 divisors (see below), whose sum is σ = 117766105492. Its totient is φ = 32738067648.

The previous prime is 66385526351. The next prime is 66385526369. The reversal of 66385526356 is 65362558366.

It can be written as a sum of positive squares in 2 ways, for example, as 35809506756 + 30576019600 = 189234^2 + 174860^2 .

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 66385526297 and 66385526306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66385526351) 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, 113673555 + ... + 113674138.

Almost surely, 2^66385526356 is an apocalyptic number.

It is an amenable number.

66385526356 is a deficient number, since it is larger than the sum of its proper divisors (51380579136).

66385526356 is a wasteful number, since it uses less digits than its factorization.

66385526356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227347770 (or 227347768 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 55.

The spelling of 66385526356 in words is "sixty-six billion, three hundred eighty-five million, five hundred twenty-six thousand, three hundred fifty-six".