57718140516 has 81 divisors (see below), whose sum is σ = 151604649651. Its totient is φ = 19226406888.

The previous prime is 57718140509. The next prime is 57718140517. The reversal of 57718140516 is 61504181775.

The square root of 57718140516 is 240246.

It is a perfect power (a square), and thus also a powerful number.

57718140516 is a `hidden beast` number, since 57 + 7 + 1 + 81 + 4 + 0 + 516 = 666.

It is a tau number, because it is divible by the number of its divisors (81).

It is not an unprimeable number, because it can be changed into a prime (57718140517) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 38919111 + ... + 38920593.

Almost surely, 2^57718140516 is an apocalyptic number.

57718140516 is the 240246-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57718140516

57718140516 is an abundant number, since it is smaller than the sum of its proper divisors (93886509135).

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

57718140516 is an frugal number, since it uses more digits than its factorization.

57718140516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 45.

The spelling of 57718140516 in words is "fifty-seven billion, seven hundred eighteen million, one hundred forty thousand, five hundred sixteen".