160642320 has 80 divisors (see below), whose sum is σ = 499468032. Its totient is φ = 42711040.

The previous prime is 160642319. The next prime is 160642331. The reversal of 160642320 is 23246061.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 102664 + ... + 104216.

Almost surely, 2^160642320 is an apocalyptic number.

160642320 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 160642320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249734016).

160642320 is an abundant number, since it is smaller than the sum of its proper divisors (338825712).

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

160642320 is a wasteful number, since it uses less digits than its factorization.

160642320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 160642320 is about 12674.4751370619. The cubic root of 160642320 is about 543.6090219800.

Adding to 160642320 its reverse (23246061), we get a palindrome (183888381).

The spelling of 160642320 in words is "one hundred sixty million, six hundred forty-two thousand, three hundred twenty".