160642720 has 96 divisors (see below), whose sum is σ = 456624000. Its totient is φ = 52171776.

The previous prime is 160642697. The next prime is 160642747. The reversal of 160642720 is 27246061.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17506 + ... + 25054.

It is an arithmetic number, because the mean of its divisors is an integer number (4756500).

Almost surely, 2^160642720 is an apocalyptic number.

160642720 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 160642720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228312000).

160642720 is an abundant number, since it is smaller than the sum of its proper divisors (295981280).

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

160642720 is a wasteful number, since it uses less digits than its factorization.

160642720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7590 (or 7582 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 160642720 is about 12674.4909167982. The cubic root of 160642720 is about 543.6094731758.

Adding to 160642720 its reverse (27246061), we get a palindrome (187888781).

The spelling of 160642720 in words is "one hundred sixty million, six hundred forty-two thousand, seven hundred twenty".