66045105251133 has 8 divisors (see below), whose sum is σ = 88099505627808. Its totient is φ = 44010387520944.

The previous prime is 66045105251113. The next prime is 66045105251149. The reversal of 66045105251133 is 33115250154066.

It is a happy number.

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

It is not a de Polignac number, because 66045105251133 - 2²⁶ = 66045038142269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66045105251113) 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, 4920653791 + ... + 4920667212.

It is an arithmetic number, because the mean of its divisors is an integer number (11012438203476).

Almost surely, 2^{66045105251133} is an apocalyptic number.

It is an amenable number.

66045105251133 is a deficient number, since it is larger than the sum of its proper divisors (22054400376675).

66045105251133 is a wasteful number, since it uses less digits than its factorization.

66045105251133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9841323243.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 66045105251133 in words is "sixty-six trillion, forty-five billion, one hundred five million, two hundred fifty-one thousand, one hundred thirty-three".