5665857241816 has 8 divisors (see below), whose sum is σ = 10623482328420. Its totient is φ = 2832928620904.

The previous prime is 5665857241757. The next prime is 5665857241817. The reversal of 5665857241816 is 6181427585665.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×5665857241816² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665857241817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354116077606 + ... + 354116077621.

Almost surely, 2^{5665857241816} is an apocalyptic number.

It is an amenable number.

5665857241816 is a deficient number, since it is larger than the sum of its proper divisors (4957625086604).

5665857241816 is a wasteful number, since it uses less digits than its factorization.

5665857241816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708232155233 (or 708232155229 counting only the distinct ones).

The product of its digits is 96768000, while the sum is 64.

The spelling of 5665857241816 in words is "five trillion, six hundred sixty-five billion, eight hundred fifty-seven million, two hundred forty-one thousand, eight hundred sixteen".