616706567768 has 8 divisors (see below), whose sum is σ = 1156324814580. Its totient is φ = 308353283880.

The previous prime is 616706567747. The next prime is 616706567773. The reversal of 616706567768 is 867765607616.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38544160478 + ... + 38544160493.

Almost surely, 2^616706567768 is an apocalyptic number.

It is an amenable number.

616706567768 is a deficient number, since it is larger than the sum of its proper divisors (539618246812).

616706567768 is a wasteful number, since it uses less digits than its factorization.

616706567768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77088320977 (or 77088320973 counting only the distinct ones).

The product of its (nonzero) digits is 106686720, while the sum is 65.

The spelling of 616706567768 in words is "six hundred sixteen billion, seven hundred six million, five hundred sixty-seven thousand, seven hundred sixty-eight".