166410500205 has 8 divisors (see below), whose sum is σ = 266256800352. Its totient is φ = 88752266768.

The previous prime is 166410500159. The next prime is 166410500209. The reversal of 166410500205 is 502005014661.

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

It is a cyclic number.

It is not a de Polignac number, because 166410500205 - 2¹⁷ = 166410369133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166410500209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5547016659 + ... + 5547016688.

It is an arithmetic number, because the mean of its divisors is an integer number (33282100044).

Almost surely, 2^166410500205 is an apocalyptic number.

166410500205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

166410500205 is a deficient number, since it is larger than the sum of its proper divisors (99846300147).

166410500205 is a wasteful number, since it uses less digits than its factorization.

166410500205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11094033355.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 166410500205 its reverse (502005014661), we get a palindrome (668415514866).

The spelling of 166410500205 in words is "one hundred sixty-six billion, four hundred ten million, five hundred thousand, two hundred five".