166820000335 has 4 divisors (see below), whose sum is σ = 200184000408. Its totient is φ = 133456000264.

The previous prime is 166820000279. The next prime is 166820000353. The reversal of 166820000335 is 533000028661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 533000028661 = 751 ⋅709720411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166820000335 is a prime.

It is a super-2 number, since 2×166820000335² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166820000335.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16682000029 + ... + 16682000038.

It is an arithmetic number, because the mean of its divisors is an integer number (50046000102).

Almost surely, 2^166820000335 is an apocalyptic number.

166820000335 is a deficient number, since it is larger than the sum of its proper divisors (33364000073).

166820000335 is an equidigital number, since it uses as much as digits as its factorization.

166820000335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33364000072.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 166820000335 its reverse (533000028661), we get a palindrome (699820028996).

The spelling of 166820000335 in words is "one hundred sixty-six billion, eight hundred twenty million, three hundred thirty-five", and thus it is an aban number.