500006555166 has 16 divisors (see below), whose sum is σ = 1043491941504. Its totient is φ = 159422379864.

The previous prime is 500006555161. The next prime is 500006555171. The reversal of 500006555166 is 661555600005.

It is an interprime number because it is at equal distance from previous prime (500006555161) and next prime (500006555171).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500006555161) 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, 1811617816 + ... + 1811618091.

It is an arithmetic number, because the mean of its divisors is an integer number (65218246344).

Almost surely, 2^500006555166 is an apocalyptic number.

500006555166 is an abundant number, since it is smaller than the sum of its proper divisors (543485386338).

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

500006555166 is a wasteful number, since it uses less digits than its factorization.

500006555166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623235935.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 500006555166 in words is "five hundred billion, six million, five hundred fifty-five thousand, one hundred sixty-six".