57343797816 has 16 divisors (see below), whose sum is σ = 143359494600. Its totient is φ = 19114599264.

The previous prime is 57343797811. The next prime is 57343797829. The reversal of 57343797816 is 61879734375.

It is a super-2 number, since 2×57343797816² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57343797816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57343797811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194662431 + ... + 1194662478.

Almost surely, 2^57343797816 is an apocalyptic number.

It is an amenable number.

57343797816 is an abundant number, since it is smaller than the sum of its proper divisors (86015696784).

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

57343797816 is a wasteful number, since it uses less digits than its factorization.

57343797816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389324918 (or 2389324914 counting only the distinct ones).

The product of its digits is 26671680, while the sum is 60.

The spelling of 57343797816 in words is "fifty-seven billion, three hundred forty-three million, seven hundred ninety-seven thousand, eight hundred sixteen".