581934971066 has 16 divisors (see below), whose sum is σ = 874341651456. Its totient is φ = 290487973776.

The previous prime is 581934971047. The next prime is 581934971069. The reversal of 581934971066 is 660179439185.

It is a junction number, because it is equal to n+sod(n) for n = 581934970996 and 581934971014.

It is not an unprimeable number, because it can be changed into a prime (581934971069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5468135 + ... + 5573541.

It is an arithmetic number, because the mean of its divisors is an integer number (54646353216).

Almost surely, 2^581934971066 is an apocalyptic number.

581934971066 is a deficient number, since it is larger than the sum of its proper divisors (292406680390).

581934971066 is a wasteful number, since it uses less digits than its factorization.

581934971066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109933.

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 581934971066 in words is "five hundred eighty-one billion, nine hundred thirty-four million, nine hundred seventy-one thousand, sixty-six".