1616351108544 has 112 divisors (see below), whose sum is σ = 5001866348800. Its totient is φ = 510426655488.

The previous prime is 1616351108501. The next prime is 1616351108549. The reversal of 1616351108544 is 4458011536161.

1616351108544 is a `hidden beast` number, since 1 + 6 + 1 + 635 + 1 + 1 + 0 + 8 + 5 + 4 + 4 = 666.

It is a super-2 number, since 2×1616351108544² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616351108544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616351108549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24582652 + ... + 24648315.

Almost surely, 2^{1616351108544} is an apocalyptic number.

It is an amenable number.

1616351108544 is an abundant number, since it is smaller than the sum of its proper divisors (3385515240256).

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

1616351108544 is a wasteful number, since it uses less digits than its factorization.

1616351108544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49231007 (or 49230991 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 1616351108544 in words is "one trillion, six hundred sixteen billion, three hundred fifty-one million, one hundred eight thousand, five hundred forty-four".