506666453 has 16 divisors (see below), whose sum is σ = 564408000. Its totient is φ = 452589312.

The previous prime is 506666443. The next prime is 506666491. The reversal of 506666453 is 354666605.

It is a happy number.

It is not a de Polignac number, because 506666453 - 2⁶ = 506666389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 506666453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506666423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20378 + ... + 37796.

It is an arithmetic number, because the mean of its divisors is an integer number (35275500).

Almost surely, 2^506666453 is an apocalyptic number.

It is an amenable number.

506666453 is a deficient number, since it is larger than the sum of its proper divisors (57741547).

506666453 is a wasteful number, since it uses less digits than its factorization.

506666453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17524.

The product of its (nonzero) digits is 388800, while the sum is 41.

The square root of 506666453 is about 22509.2526086496. The cubic root of 506666453 is about 797.2124088892.

The spelling of 506666453 in words is "five hundred six million, six hundred sixty-six thousand, four hundred fifty-three".