57200666 has 8 divisors (see below), whose sum is σ = 85917504. Its totient is φ = 28561500.

The previous prime is 57200629. The next prime is 57200681. The reversal of 57200666 is 66600275.

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

It is an unprimeable number.

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, 17540 + ... + 20543.

It is an arithmetic number, because the mean of its divisors is an integer number (10739688).

Almost surely, 2^57200666 is an apocalyptic number.

57200666 is a deficient number, since it is larger than the sum of its proper divisors (28716838).

57200666 is a wasteful number, since it uses less digits than its factorization.

57200666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38836.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 57200666 is about 7563.1121900974. The cubic root of 57200666 is about 385.3012001783.

The spelling of 57200666 in words is "fifty-seven million, two hundred thousand, six hundred sixty-six".