416140666 has 4 divisors (see below), whose sum is σ = 624211002. Its totient is φ = 208070332.

The previous prime is 416140657. The next prime is 416140687. The reversal of 416140666 is 666041614.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 261760041 + 154380625 = 16179^2 + 12425^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 104035165 + ... + 104035168.

Almost surely, 2^416140666 is an apocalyptic number.

416140666 is a deficient number, since it is larger than the sum of its proper divisors (208070336).

416140666 is a wasteful number, since it uses less digits than its factorization.

416140666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208070335.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 416140666 is about 20399.5261219470. The cubic root of 416140666 is about 746.5863624928.

The spelling of 416140666 in words is "four hundred sixteen million, one hundred forty thousand, six hundred sixty-six".