57636682198 has 4 divisors (see below), whose sum is σ = 86455023300. Its totient is φ = 28818341098.

The previous prime is 57636682183. The next prime is 57636682277. The reversal of 57636682198 is 89128663675.

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

It is a super-2 number, since 2×57636682198² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14409170548 + ... + 14409170551.

It is an arithmetic number, because the mean of its divisors is an integer number (21613755825).

Almost surely, 2^57636682198 is an apocalyptic number.

57636682198 is a deficient number, since it is larger than the sum of its proper divisors (28818341102).

57636682198 is a wasteful number, since it uses less digits than its factorization.

57636682198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28818341101.

The product of its digits is 26127360, while the sum is 61.

The spelling of 57636682198 in words is "fifty-seven billion, six hundred thirty-six million, six hundred eighty-two thousand, one hundred ninety-eight".