506165166165 has 8 divisors (see below), whose sum is σ = 809864265888. Its totient is φ = 269954755280.

The previous prime is 506165166121. The next prime is 506165166173. The reversal of 506165166165 is 561661561605.

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

It is not a de Polignac number, because 506165166165 - 2³⁴ = 488985296981 is a prime.

It is a congruent 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, 16872172191 + ... + 16872172220.

It is an arithmetic number, because the mean of its divisors is an integer number (101233033236).

Almost surely, 2^506165166165 is an apocalyptic number.

It is an amenable number.

506165166165 is a deficient number, since it is larger than the sum of its proper divisors (303699099723).

506165166165 is a wasteful number, since it uses less digits than its factorization.

506165166165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33744344419.

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 506165166165 in words is "five hundred six billion, one hundred sixty-five million, one hundred sixty-six thousand, one hundred sixty-five".