581606668202 has 32 divisors (see below), whose sum is σ = 999871017600. Its totient is φ = 248552515008.

The previous prime is 581606668141. The next prime is 581606668219. The reversal of 581606668202 is 202866606185.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40684568 + ... + 40698860.

It is an arithmetic number, because the mean of its divisors is an integer number (31245969300).

Almost surely, 2^581606668202 is an apocalyptic number.

581606668202 is a deficient number, since it is larger than the sum of its proper divisors (418264349398).

581606668202 is a wasteful number, since it uses less digits than its factorization.

581606668202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22350.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 581606668202 in words is "five hundred eighty-one billion, six hundred six million, six hundred sixty-eight thousand, two hundred two".