66033465869 has 8 divisors (see below), whose sum is σ = 75490493568. Its totient is φ = 56582357040.

The previous prime is 66033465859. The next prime is 66033465907. The reversal of 66033465869 is 96856433066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66033465869 - 2¹² = 66033461773 is a prime.

It is a super-2 number, since 2×66033465869² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66033465809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1455782 + ... + 1500455.

It is an arithmetic number, because the mean of its divisors is an integer number (9436311696).

Almost surely, 2^66033465869 is an apocalyptic number.

It is an amenable number.

66033465869 is a deficient number, since it is larger than the sum of its proper divisors (9457027699).

66033465869 is a wasteful number, since it uses less digits than its factorization.

66033465869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959435.

The product of its (nonzero) digits is 16796160, while the sum is 56.

The spelling of 66033465869 in words is "sixty-six billion, thirty-three million, four hundred sixty-five thousand, eight hundred sixty-nine".