66051145324233 has 24 divisors (see below), whose sum is σ = 98299636053320. Its totient is φ = 42718908245760.

The previous prime is 66051145324217. The next prime is 66051145324253. The reversal of 66051145324233 is 33242354115066.

66051145324233 is a `hidden beast` number, since 6 + 6 + 0 + 51 + 1 + 45 + 324 + 233 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9606757673529 + 56444387650704 = 3099477^2 + 7512948^2 .

It is not a de Polignac number, because 66051145324233 - 2⁴ = 66051145324217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66051145324253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 824012938 + ... + 824093091.

Almost surely, 2^{66051145324233} is an apocalyptic number.

It is an amenable number.

66051145324233 is a deficient number, since it is larger than the sum of its proper divisors (32248490729087).

66051145324233 is a wasteful number, since it uses less digits than its factorization.

66051145324233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648106169 (or 1648106166 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

Adding to 66051145324233 its reverse (33242354115066), we get a palindrome (99293499439299).

The spelling of 66051145324233 in words is "sixty-six trillion, fifty-one billion, one hundred forty-five million, three hundred twenty-four thousand, two hundred thirty-three".