160666000 has 160 divisors (see below), whose sum is σ = 434079360. Its totient is φ = 57024000.

The previous prime is 160665991. The next prime is 160666001. The reversal of 160666000 is 666061.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (160666001) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1473946 + ... + 1474054.

It is an arithmetic number, because the mean of its divisors is an integer number (2712996).

Almost surely, 2^160666000 is an apocalyptic number.

160666000 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 160666000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217039680).

160666000 is an abundant number, since it is smaller than the sum of its proper divisors (273413360).

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

160666000 is a wasteful number, since it uses less digits than its factorization.

160666000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 160666000 is about 12675.4092636096. The cubic root of 160666000 is about 543.6357314822.

The spelling of 160666000 in words is "one hundred sixty million, six hundred sixty-six thousand".