606455666 has 16 divisors (see below), whose sum is σ = 950922240. Its totient is φ = 289729440.

The previous prime is 606455621. The next prime is 606455669. The reversal of 606455666 is 666554606.

It is a super-3 number, since 3×606455666³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (606455669) 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, 57011 + ... + 66806.

It is an arithmetic number, because the mean of its divisors is an integer number (59432640).

Almost surely, 2^606455666 is an apocalyptic number.

606455666 is a deficient number, since it is larger than the sum of its proper divisors (344466574).

606455666 is a wasteful number, since it uses less digits than its factorization.

606455666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123929.

The product of its (nonzero) digits is 777600, while the sum is 44.

The square root of 606455666 is about 24626.3205940311. The cubic root of 606455666 is about 846.4468360669.

The spelling of 606455666 in words is "six hundred six million, four hundred fifty-five thousand, six hundred sixty-six".