557158616438 has 4 divisors (see below), whose sum is σ = 835737924660. Its totient is φ = 278579308218.

The previous prime is 557158616389. The next prime is 557158616489. The reversal of 557158616438 is 834616851755.

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

It is a super-2 number, since 2×557158616438² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139289654108 + ... + 139289654111.

It is an arithmetic number, because the mean of its divisors is an integer number (208934481165).

Almost surely, 2^557158616438 is an apocalyptic number.

557158616438 is a deficient number, since it is larger than the sum of its proper divisors (278579308222).

557158616438 is a wasteful number, since it uses less digits than its factorization.

557158616438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278579308221.

The product of its digits is 24192000, while the sum is 59.

The spelling of 557158616438 in words is "five hundred fifty-seven billion, one hundred fifty-eight million, six hundred sixteen thousand, four hundred thirty-eight".