616816726071 has 16 divisors (see below), whose sum is σ = 1012212063744. Its totient is φ = 325353877344.

The previous prime is 616816726067. The next prime is 616816726109. The reversal of 616816726071 is 170627618616.

It is a happy number.

It is not a de Polignac number, because 616816726071 - 2² = 616816726067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616816726021) 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 15 ways as a sum of consecutive naturals, for example, 1129700691 + ... + 1129701236.

It is an arithmetic number, because the mean of its divisors is an integer number (63263253984).

Almost surely, 2^616816726071 is an apocalyptic number.

616816726071 is a deficient number, since it is larger than the sum of its proper divisors (395395337673).

616816726071 is a wasteful number, since it uses less digits than its factorization.

616816726071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259401950.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 616816726071 in words is "six hundred sixteen billion, eight hundred sixteen million, seven hundred twenty-six thousand, seventy-one".