1613310720 has 288 divisors, whose sum is σ = 6018582528. Its totient is φ = 360628224.

The previous prime is 1613310709. The next prime is 1613310779. The reversal of 1613310720 is 270133161.

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

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, 1262722 + ... + 1263998.

It is an arithmetic number, because the mean of its divisors is an integer number (20897856).

Almost surely, 2^1613310720 is an apocalyptic number.

1613310720 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 1613310720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3009291264).

1613310720 is an abundant number, since it is smaller than the sum of its proper divisors (4405271808).

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

1613310720 is a wasteful number, since it uses less digits than its factorization.

1613310720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1613310720 is about 40166.0393865265. The cubic root of 1613310720 is about 1172.8415409139.

Adding to 1613310720 its reverse (270133161), we get a palindrome (1883443881).

The spelling of 1613310720 in words is "one billion, six hundred thirteen million, three hundred ten thousand, seven hundred twenty".