6842435506566 has 32 divisors (see below), whose sum is σ = 15011430610176. Its totient is φ = 2062009692000.

The previous prime is 6842435506559. The next prime is 6842435506567. The reversal of 6842435506566 is 6656055342486.

It is a super-2 number, since 2×6842435506566² (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 (6842435506567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286378290 + ... + 286402181.

It is an arithmetic number, because the mean of its divisors is an integer number (469107206568).

Almost surely, 2^{6842435506566} is an apocalyptic number.

6842435506566 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6842435506566 is an abundant number, since it is smaller than the sum of its proper divisors (8168995103610).

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

6842435506566 is a wasteful number, since it uses less digits than its factorization.

6842435506566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572780668.

The product of its (nonzero) digits is 124416000, while the sum is 60.

The spelling of 6842435506566 in words is "six trillion, eight hundred forty-two billion, four hundred thirty-five million, five hundred six thousand, five hundred sixty-six".