107857057221640 has 16 divisors (see below), whose sum is σ = 242678378748780. Its totient is φ = 43142822888640.

The previous prime is 107857057221593. The next prime is 107857057221679. The reversal of 107857057221640 is 46122750758701.

It can be written as a sum of positive squares in 2 ways, for example, as 96039647200324 + 11817410021316 = 9799982^2 + 3437646^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1348213215231 + ... + 1348213215310.

Almost surely, 2^{107857057221640} is an apocalyptic number.

107857057221640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107857057221640 is an abundant number, since it is smaller than the sum of its proper divisors (134821321527140).

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

107857057221640 is a wasteful number, since it uses less digits than its factorization.

107857057221640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696426430552 (or 2696426430548 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 55.

The spelling of 107857057221640 in words is "one hundred seven trillion, eight hundred fifty-seven billion, fifty-seven million, two hundred twenty-one thousand, six hundred forty".