66144083 has 8 divisors (see below), whose sum is σ = 66951360. Its totient is φ = 65340520.

The previous prime is 66144077. The next prime is 66144101. The reversal of 66144083 is 38044166.

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 66144083 - 2¹⁰ = 66143059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66144383) 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, 51908 + ... + 53166.

It is an arithmetic number, because the mean of its divisors is an integer number (8368920).

Almost surely, 2^66144083 is an apocalyptic number.

66144083 is a deficient number, since it is larger than the sum of its proper divisors (807277).

66144083 is a wasteful number, since it uses less digits than its factorization.

66144083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 66144083 is about 8132.9012658460. The cubic root of 66144083 is about 404.4178660940.

It can be divided in two parts, 661 and 44083, that added together give a palindrome (44744).

The spelling of 66144083 in words is "sixty-six million, one hundred forty-four thousand, eighty-three".