581982622068 has 24 divisors (see below), whose sum is σ = 1358117429760. Its totient is φ = 193971639040.

The previous prime is 581982622063. The next prime is 581982622073. The reversal of 581982622068 is 860226289185.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (581982622063) and next prime (581982622073).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 581982621999 and 581982622017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581982622063) 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 7 ways as a sum of consecutive naturals, for example, 2713428 + ... + 2920043.

It is an arithmetic number, because the mean of its divisors is an integer number (56588226240).

Almost surely, 2^581982622068 is an apocalyptic number.

It is an amenable number.

581982622068 is an abundant number, since it is smaller than the sum of its proper divisors (776134807692).

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

581982622068 is a wasteful number, since it uses less digits than its factorization.

581982622068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5642087 (or 5642085 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 57.

The spelling of 581982622068 in words is "five hundred eighty-one billion, nine hundred eighty-two million, six hundred twenty-two thousand, sixty-eight".