500661555546 has 32 divisors (see below), whose sum is σ = 1060421362560. Its totient is φ = 157041122816.

The previous prime is 500661555539. The next prime is 500661555547. The reversal of 500661555546 is 645555166005.

It is a junction number, because it is equal to n+sod(n) for n = 500661555495 and 500661555504.

It is not an unprimeable number, because it can be changed into a prime (500661555547) 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, 99475 + ... + 1005593.

It is an arithmetic number, because the mean of its divisors is an integer number (33138167580).

Almost surely, 2^500661555546 is an apocalyptic number.

500661555546 is an abundant number, since it is smaller than the sum of its proper divisors (559759807014).

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

500661555546 is a wasteful number, since it uses less digits than its factorization.

500661555546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911558.

The product of its (nonzero) digits is 2700000, while the sum is 48.

The spelling of 500661555546 in words is "five hundred billion, six hundred sixty-one million, five hundred fifty-five thousand, five hundred forty-six".