500166106555 has 8 divisors (see below), whose sum is σ = 603515347344. Its totient is φ = 397922205600.

The previous prime is 500166106519. The next prime is 500166106607. The reversal of 500166106555 is 555601661005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-500166106555 is a prime.

It is a super-2 number, since 2×500166106555² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276333961 + ... + 276335770.

It is an arithmetic number, because the mean of its divisors is an integer number (75439418418).

Almost surely, 2^500166106555 is an apocalyptic number.

500166106555 is a deficient number, since it is larger than the sum of its proper divisors (103349240789).

500166106555 is a wasteful number, since it uses less digits than its factorization.

500166106555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552669917.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 500166106555 in words is "five hundred billion, one hundred sixty-six million, one hundred six thousand, five hundred fifty-five".