66456041 has 8 divisors (see below), whose sum is σ = 66967200. Its totient is φ = 65947392.

The previous prime is 66456017. The next prime is 66456067. The reversal of 66456041 is 14065466.

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 66456041 - 2¹⁰ = 66455017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66455989 and 66456007.

It is not an unprimeable number, because it can be changed into a prime (66456001) 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, 126806 + ... + 127328.

It is an arithmetic number, because the mean of its divisors is an integer number (8370900).

Almost surely, 2^66456041 is an apocalyptic number.

It is an amenable number.

66456041 is a deficient number, since it is larger than the sum of its proper divisors (511159).

66456041 is a wasteful number, since it uses less digits than its factorization.

66456041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 66456041 is about 8152.0574703568. The cubic root of 66456041 is about 405.0526599209.

The spelling of 66456041 in words is "sixty-six million, four hundred fifty-six thousand, forty-one".