57147416218 has 4 divisors (see below), whose sum is σ = 85721124330. Its totient is φ = 28573708108.

The previous prime is 57147416213. The next prime is 57147416243. The reversal of 57147416218 is 81261474175.

It is a happy number.

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., 52398414649 + 4749001569 = 228907^2 + 68913^2 .

It is not an unprimeable number, because it can be changed into a prime (57147416213) by changing a digit.

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, 14286854053 + ... + 14286854056.

Almost surely, 2^57147416218 is an apocalyptic number.

57147416218 is a deficient number, since it is larger than the sum of its proper divisors (28573708112).

57147416218 is a wasteful number, since it uses less digits than its factorization.

57147416218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28573708111.

The product of its digits is 376320, while the sum is 46.

The spelling of 57147416218 in words is "fifty-seven billion, one hundred forty-seven million, four hundred sixteen thousand, two hundred eighteen".