66335835011 has 4 divisors (see below), whose sum is σ = 66380932224. Its totient is φ = 66290737800.

The previous prime is 66335835001. The next prime is 66335835091. The reversal of 66335835011 is 11053853366.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66335835011 is a prime.

It is a super-2 number, since 2×66335835011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66335835011.

It is not an unprimeable number, because it can be changed into a prime (66335835001) 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 3 ways as a sum of consecutive naturals, for example, 22546400 + ... + 22549341.

It is an arithmetic number, because the mean of its divisors is an integer number (16595233056).

Almost surely, 2^66335835011 is an apocalyptic number.

66335835011 is a deficient number, since it is larger than the sum of its proper divisors (45097213).

66335835011 is a wasteful number, since it uses less digits than its factorization.

66335835011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45097212.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 66335835011 in words is "sixty-six billion, three hundred thirty-five million, eight hundred thirty-five thousand, eleven".