606666666 has 8 divisors (see below), whose sum is σ = 1213333344. Its totient is φ = 202222220.

The previous prime is 606666629. The next prime is 606666677. The reversal of 606666666 is 666666606.

It is a sphenic number, since it is the product of 3 distinct primes.

606666666 is an admirable number.

606666666 is a modest number, since divided by 66666 gives 6066 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50555550 + ... + 50555561.

It is an arithmetic number, because the mean of its divisors is an integer number (151666668).

Almost surely, 2^606666666 is an apocalyptic number.

606666666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

606666666 is a wasteful number, since it uses less digits than its factorization.

606666666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101111116.

The product of its (nonzero) digits is 1679616, while the sum is 48.

The square root of 606666666 is about 24630.6042556816. The cubic root of 606666666 is about 846.5449908502.

It can be divided in two parts, 60 and 6666666, that added together give a triangular number (6666726 = T₃₆₅₁).

The spelling of 606666666 in words is "six hundred six million, six hundred sixty-six thousand, six hundred sixty-six".