1613204424 has 160 divisors (see below), whose sum is σ = 5122656000. Its totient is φ = 470199168.

The previous prime is 1613204387. The next prime is 1613204449. The reversal of 1613204424 is 4244023161.

It is a happy number.

1613204424 is a `hidden beast` number, since 1 + 613 + 2 + 0 + 4 + 42 + 4 = 666.

It is a super-2 number, since 2×1613204424² = 5204857027226343552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 155017 + ... + 165095.

It is an arithmetic number, because the mean of its divisors is an integer number (32016600).

Almost surely, 2^1613204424 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 1613204424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2561328000).

1613204424 is an abundant number, since it is smaller than the sum of its proper divisors (3509451576).

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

1613204424 is a wasteful number, since it uses less digits than its factorization.

1613204424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10129 (or 10116 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1613204424 is about 40164.7161573439. The cubic root of 1613204424 is about 1172.8157820606.

Adding to 1613204424 its reverse (4244023161), we get a palindrome (5857227585).

The spelling of 1613204424 in words is "one billion, six hundred thirteen million, two hundred four thousand, four hundred twenty-four".