616794181497616 has 10 divisors (see below), whose sum is σ = 1195038726651662. Its totient is φ = 308397090748800.

The previous prime is 616794181497601. The next prime is 616794181497671.

616794181497616 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 550094619177216 + 66699562320400 = 23454096^2 + 8166980^2 .

It is a super-2 number, since 2×616794181497616² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19274818171785 + ... + 19274818171816.

Almost surely, 2^{616794181497616} is an apocalyptic number.

It is an amenable number.

616794181497616 is a deficient number, since it is larger than the sum of its proper divisors (578244545154046).

616794181497616 is a wasteful number, since it uses less digits than its factorization.

616794181497616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38549636343609 (or 38549636343603 counting only the distinct ones).

The product of its digits is 658409472, while the sum is 76.

The spelling of 616794181497616 in words is "six hundred sixteen trillion, seven hundred ninety-four billion, one hundred eighty-one million, four hundred ninety-seven thousand, six hundred sixteen".