160866450 has 144 divisors (see below), whose sum is σ = 450908640. Its totient is φ = 41091840.

The previous prime is 160866443. The next prime is 160866463. The reversal of 160866450 is 54668061.

160866450 is a `hidden beast` number, since 1 + 6 + 0 + 8 + 6 + 645 + 0 = 666.

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 71 ways as a sum of consecutive naturals, for example, 1938109 + ... + 1938191.

It is an arithmetic number, because the mean of its divisors is an integer number (3131310).

Almost surely, 2^160866450 is an apocalyptic number.

160866450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 160866450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225454320).

160866450 is an abundant number, since it is smaller than the sum of its proper divisors (290042190).

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

160866450 is a wasteful number, since it uses less digits than its factorization.

160866450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 160866450 is about 12683.3138414217. The cubic root of 160866450 is about 543.8617209994.

The spelling of 160866450 in words is "one hundred sixty million, eight hundred sixty-six thousand, four hundred fifty".