616551725217 has 8 divisors (see below), whose sum is σ = 844287047296. Its totient is φ = 399925443312.

The previous prime is 616551725183. The next prime is 616551725239. The reversal of 616551725217 is 712527155616.

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

It is not a de Polignac number, because 616551725217 - 2¹⁶ = 616551659681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616551725287) 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, 2777259913 + ... + 2777260134.

It is an arithmetic number, because the mean of its divisors is an integer number (105535880912).

Almost surely, 2^616551725217 is an apocalyptic number.

It is an amenable number.

616551725217 is a deficient number, since it is larger than the sum of its proper divisors (227735322079).

616551725217 is a wasteful number, since it uses less digits than its factorization.

616551725217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5554520087.

The product of its digits is 882000, while the sum is 48.

The spelling of 616551725217 in words is "six hundred sixteen billion, five hundred fifty-one million, seven hundred twenty-five thousand, two hundred seventeen".