66434562622633 has 8 divisors (see below), whose sum is σ = 69964214247200. Its totient is φ = 62908220567808.

The previous prime is 66434562622609. The next prime is 66434562622639. The reversal of 66434562622633 is 33622626543466.

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 66434562622633 - 2⁴¹ = 64235539367081 is a prime.

It is a super-2 number, since 2×66434562622633² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66434562622639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827351223 + ... + 827431516.

It is an arithmetic number, because the mean of its divisors is an integer number (8745526780900).

Almost surely, 2^{66434562622633} is an apocalyptic number.

It is an amenable number.

66434562622633 is a deficient number, since it is larger than the sum of its proper divisors (3529651624567).

66434562622633 is a wasteful number, since it uses less digits than its factorization.

66434562622633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654784871.

The product of its digits is 134369280, while the sum is 58.

The spelling of 66434562622633 in words is "sixty-six trillion, four hundred thirty-four billion, five hundred sixty-two million, six hundred twenty-two thousand, six hundred thirty-three".