57660636198 has 16 divisors (see below), whose sum is σ = 125805024576. Its totient is φ = 17472920040.

The previous prime is 57660636181. The next prime is 57660636199. The reversal of 57660636198 is 89163606675.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57660636199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436822936 + ... + 436823067.

It is an arithmetic number, because the mean of its divisors is an integer number (7862814036).

Almost surely, 2^57660636198 is an apocalyptic number.

57660636198 is an abundant number, since it is smaller than the sum of its proper divisors (68144388378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57660636198 is a wasteful number, since it uses less digits than its factorization.

57660636198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873646019.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 57660636198 in words is "fifty-seven billion, six hundred sixty million, six hundred thirty-six thousand, one hundred ninety-eight".