616759688690 has 8 divisors (see below), whose sum is σ = 1110167439660. Its totient is φ = 246703875472.

The previous prime is 616759688689. The next prime is 616759688771. The reversal of 616759688690 is 96886957616.

It can be written as a sum of positive squares in 2 ways, for example, as 577847786569 + 38911902121 = 760163^2 + 197261^2 .

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

It is a super-2 number, since 2×616759688690² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30837984425 + ... + 30837984444.

Almost surely, 2^616759688690 is an apocalyptic number.

616759688690 is a deficient number, since it is larger than the sum of its proper divisors (493407750970).

616759688690 is a wasteful number, since it uses less digits than its factorization.

616759688690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61675968876.

The product of its (nonzero) digits is 235146240, while the sum is 71.

The spelling of 616759688690 in words is "six hundred sixteen billion, seven hundred fifty-nine million, six hundred eighty-eight thousand, six hundred ninety".