159666000 has 320 divisors, whose sum is σ = 584962560. Its totient is φ = 37171200.

The previous prime is 159665999. The next prime is 159666011. The reversal of 159666000 is 666951.

159666000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1793956 + ... + 1794044.

It is an arithmetic number, because the mean of its divisors is an integer number (1828008).

Almost surely, 2^159666000 is an apocalyptic number.

159666000 is a gapful number since it is divisible by the number (10) 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 159666000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292481280).

159666000 is an abundant number, since it is smaller than the sum of its proper divisors (425296560).

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

159666000 is a wasteful number, since it uses less digits than its factorization.

159666000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 159666000 is about 12635.9012341819. The cubic root of 159666000 is about 542.5055037065.

The spelling of 159666000 in words is "one hundred fifty-nine million, six hundred sixty-six thousand".