57021741356216 has 32 divisors (see below), whose sum is σ = 131588633900640. Its totient is φ = 22558051525248.

The previous prime is 57021741356149. The next prime is 57021741356273. The reversal of 57021741356216 is 61265314712075.

57021741356216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57021741356216² (a number of 28 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 in 7 ways as a sum of consecutive naturals, for example, 39163283171 + ... + 39163284626.

It is an arithmetic number, because the mean of its divisors is an integer number (4112144809395).

Almost surely, 2^{57021741356216} is an apocalyptic number.

57021741356216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

57021741356216 is an abundant number, since it is smaller than the sum of its proper divisors (74566892544424).

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

57021741356216 is a wasteful number, since it uses less digits than its factorization.

57021741356216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78326567823 (or 78326567819 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 57021741356216 in words is "fifty-seven trillion, twenty-one billion, seven hundred forty-one million, three hundred fifty-six thousand, two hundred sixteen".