1331616454 has 12 divisors (see below), whose sum is σ = 2323535004. Its totient is φ = 570692724.

The previous prime is 1331616413. The next prime is 1331616493. The reversal of 1331616454 is 4546161331.

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 5 ways as a sum of consecutive naturals, for example, 6793864 + ... + 6794059.

It is an arithmetic number, because the mean of its divisors is an integer number (193627917).

Almost surely, 2^1331616454 is an apocalyptic number.

1331616454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1331616454 is a deficient number, since it is larger than the sum of its proper divisors (991918550).

1331616454 is a wasteful number, since it uses less digits than its factorization.

1331616454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13587939 (or 13587932 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 1331616454 is about 36491.3202556444. The cubic root of 1331616454 is about 1100.1697958276.

Adding to 1331616454 its reverse (4546161331), we get a palindrome (5877777785).

The spelling of 1331616454 in words is "one billion, three hundred thirty-one million, six hundred sixteen thousand, four hundred fifty-four".