1613366424 has 72 divisors (see below), whose sum is σ = 4536348180. Its totient is φ = 537198480.

The previous prime is 1613366411. The next prime is 1613366477. The reversal of 1613366424 is 4246633161.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

1613366424 is a `hidden beast` number, since 1 + 6 + 1 + 3 + 3 + 6 + 642 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1770529 + ... + 1771439.

Almost surely, 2^1613366424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1613366424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2268174090).

1613366424 is an abundant number, since it is smaller than the sum of its proper divisors (2922981756).

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

1613366424 is an frugal number, since it uses more digits than its factorization.

1613366424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843 (or 916 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 1613366424 is about 40166.7328021586. The cubic root of 1613366424 is about 1172.8550392877.

Adding to 1613366424 its reverse (4246633161), we get a palindrome (5859999585).

The spelling of 1613366424 in words is "one billion, six hundred thirteen million, three hundred sixty-six thousand, four hundred twenty-four".