66425043 has 8 divisors (see below), whose sum is σ = 90727056. Its totient is φ = 43203200.

The previous prime is 66425041. The next prime is 66425057. The reversal of 66425043 is 34052466.

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 66425043 - 2¹ = 66425041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66425043.

It is not an unprimeable number, because it can be changed into a prime (66425041) 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, 269898 + ... + 270143.

It is an arithmetic number, because the mean of its divisors is an integer number (11340882).

Almost surely, 2^66425043 is an apocalyptic number.

66425043 is a deficient number, since it is larger than the sum of its proper divisors (24302013).

66425043 is a wasteful number, since it uses less digits than its factorization.

66425043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540085.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 66425043 is about 8150.1560107767. The cubic root of 66425043 is about 404.9896720427.

The spelling of 66425043 in words is "sixty-six million, four hundred twenty-five thousand, forty-three".