166301663304 has 192 divisors, whose sum is σ = 499729305600. Its totient is φ = 45936374400.

The previous prime is 166301663201. The next prime is 166301663317. The reversal of 166301663304 is 403366103661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55083507 + ... + 55086525.

It is an arithmetic number, because the mean of its divisors is an integer number (2602756800).

Almost surely, 2^166301663304 is an apocalyptic number.

166301663304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166301663304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249864652800).

166301663304 is an abundant number, since it is smaller than the sum of its proper divisors (333427642296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166301663304 is a wasteful number, since it uses less digits than its factorization.

166301663304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584 (or 4573 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 39.

Adding to 166301663304 its reverse (403366103661), we get a palindrome (569667766965).

The spelling of 166301663304 in words is "one hundred sixty-six billion, three hundred one million, six hundred sixty-three thousand, three hundred four".