160666320 has 160 divisors (see below), whose sum is σ = 538036992. Its totient is φ = 39510016.

The previous prime is 160666309. The next prime is 160666369. The reversal of 160666320 is 23666061.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215869 + ... + 216611.

Almost surely, 2^160666320 is an apocalyptic number.

160666320 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 160666320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269018496).

160666320 is an abundant number, since it is smaller than the sum of its proper divisors (377370672).

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

160666320 is a wasteful number, since it uses less digits than its factorization.

160666320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 160666320 is about 12675.4218864699. The cubic root of 160666320 is about 543.6360924034.

The spelling of 160666320 in words is "one hundred sixty million, six hundred sixty-six thousand, three hundred twenty".