3200160720 has 80 divisors (see below), whose sum is σ = 9934578432. Its totient is φ = 852165120.

The previous prime is 3200160707. The next prime is 3200160763. The reversal of 3200160720 is 270610023.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166825 + ... + 185015.

Almost surely, 2^3200160720 is an apocalyptic number.

3200160720 is a gapful number since it is divisible by the number (30) 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 3200160720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4967289216).

3200160720 is an abundant number, since it is smaller than the sum of its proper divisors (6734417712).

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

3200160720 is a wasteful number, since it uses less digits than its factorization.

3200160720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18940 (or 18934 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 3200160720 is about 56569.9630546105. The cubic root of 3200160720 is about 1473.6372697741.

Adding to 3200160720 its reverse (270610023), we get a palindrome (3470770743).

The spelling of 3200160720 in words is "three billion, two hundred million, one hundred sixty thousand, seven hundred twenty".