506166161005 has 16 divisors (see below), whose sum is σ = 616038981120. Its totient is φ = 399189053952.

The previous prime is 506166160939. The next prime is 506166161051. The reversal of 506166161005 is 500161661605.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506166161005 is a prime.

It is a super-2 number, since 2×506166161005² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734724 + ... + 1245853.

It is an arithmetic number, because the mean of its divisors is an integer number (38502436320).

Almost surely, 2^506166161005 is an apocalyptic number.

It is an amenable number.

506166161005 is a deficient number, since it is larger than the sum of its proper divisors (109872820115).

506166161005 is a wasteful number, since it uses less digits than its factorization.

506166161005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981308.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 506166161005 in words is "five hundred six billion, one hundred sixty-six million, one hundred sixty-one thousand, five".