66223534451301 has 24 divisors (see below), whose sum is σ = 95780045743200. Its totient is φ = 44091873661536.

The previous prime is 66223534451273. The next prime is 66223534451311. The reversal of 66223534451301 is 10315443532266.

66223534451301 is a `hidden beast` number, since 6 + 6 + 2 + 23 + 53 + 445 + 130 + 1 = 666.

It is not a de Polignac number, because 66223534451301 - 2³⁴ = 66206354582117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66223534451311) 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, 396585775 + ... + 396752723.

It is an arithmetic number, because the mean of its divisors is an integer number (3990835239300).

Almost surely, 2^{66223534451301} is an apocalyptic number.

It is an amenable number.

66223534451301 is a deficient number, since it is larger than the sum of its proper divisors (29556511291899).

66223534451301 is a wasteful number, since it uses less digits than its factorization.

66223534451301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223745 (or 223742 counting only the distinct ones).

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

Adding to 66223534451301 its reverse (10315443532266), we get a palindrome (76538977983567).

The spelling of 66223534451301 in words is "sixty-six trillion, two hundred twenty-three billion, five hundred thirty-four million, four hundred fifty-one thousand, three hundred one".