546106666 has 12 divisors (see below), whose sum is σ = 952900578. Its totient is φ = 234045672.

The previous prime is 546106661. The next prime is 546106669. The reversal of 546106666 is 666601645.

It can be written as a sum of positive squares in only one way, i.e., 534580641 + 11526025 = 23121^2 + 3395^2 .

It is not an unprimeable number, because it can be changed into a prime (546106661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2786161 + ... + 2786356.

Almost surely, 2^546106666 is an apocalyptic number.

546106666 is a deficient number, since it is larger than the sum of its proper divisors (406793912).

546106666 is a wasteful number, since it uses less digits than its factorization.

546106666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5572533 (or 5572526 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 546106666 is about 23368.9252213276. The cubic root of 546106666 is about 817.3834233541.

The spelling of 546106666 in words is "five hundred forty-six million, one hundred six thousand, six hundred sixty-six".