66105141 has 8 divisors (see below), whose sum is σ = 88381824. Its totient is φ = 43949280.

The previous prime is 66105133. The next prime is 66105157. The reversal of 66105141 is 14150166.

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

It is not a de Polignac number, because 66105141 - 2³ = 66105133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66101141) 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, 28920 + ... + 31121.

It is an arithmetic number, because the mean of its divisors is an integer number (11047728).

Almost surely, 2^66105141 is an apocalyptic number.

It is an amenable number.

66105141 is a deficient number, since it is larger than the sum of its proper divisors (22276683).

66105141 is a wasteful number, since it uses less digits than its factorization.

66105141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60411.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 66105141 is about 8130.5068107714. The cubic root of 66105141 is about 404.3384841774.

The spelling of 66105141 in words is "sixty-six million, one hundred five thousand, one hundred forty-one".