1613001581332 has 12 divisors (see below), whose sum is σ = 2822840054496. Its totient is φ = 806475851480.

The previous prime is 1613001581299. The next prime is 1613001581333. The reversal of 1613001581332 is 2331851003161.

It is a super-2 number, since 2×1613001581332² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613001581333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6088894 + ... + 6348277.

It is an arithmetic number, because the mean of its divisors is an integer number (235236671208).

Almost surely, 2^{1613001581332} is an apocalyptic number.

It is an amenable number.

1613001581332 is a deficient number, since it is larger than the sum of its proper divisors (1209838473164).

1613001581332 is a wasteful number, since it uses less digits than its factorization.

1613001581332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12469598 (or 12469596 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

Adding to 1613001581332 its reverse (2331851003161), we get a palindrome (3944852584493).

The spelling of 1613001581332 in words is "one trillion, six hundred thirteen billion, one million, five hundred eighty-one thousand, three hundred thirty-two".