616461559 has 8 divisors (see below), whose sum is σ = 716469120. Its totient is φ = 519439416.

The previous prime is 616461557. The next prime is 616461563. The reversal of 616461559 is 955164616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 616461559 - 2¹ = 616461557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616461553) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 745909 + ... + 746734.

It is an arithmetic number, because the mean of its divisors is an integer number (89558640).

Almost surely, 2^616461559 is an apocalyptic number.

616461559 is a deficient number, since it is larger than the sum of its proper divisors (100007561).

616461559 is a wasteful number, since it uses less digits than its factorization.

616461559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492709.

The product of its digits is 194400, while the sum is 43.

The square root of 616461559 is about 24828.6439218899. The cubic root of 616461559 is about 851.0766329637.

The spelling of 616461559 in words is "six hundred sixteen million, four hundred sixty-one thousand, five hundred fifty-nine".