57016666 has 8 divisors (see below), whose sum is σ = 97742880. Its totient is φ = 24435708.

The previous prime is 57016651. The next prime is 57016669. The reversal of 57016666 is 66661075.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (57016669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2036296 + ... + 2036323.

It is an arithmetic number, because the mean of its divisors is an integer number (12217860).

Almost surely, 2^57016666 is an apocalyptic number.

57016666 is a deficient number, since it is larger than the sum of its proper divisors (40726214).

57016666 is a wasteful number, since it uses less digits than its factorization.

57016666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4072628.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 57016666 is about 7550.9380874167. The cubic root of 57016666 is about 384.8876177299.

The spelling of 57016666 in words is "fifty-seven million, sixteen thousand, six hundred sixty-six".