616161069679 has 2 divisors, whose sum is σ = 616161069680. Its totient is φ = 616161069678.

The previous prime is 616161069637. The next prime is 616161069691. The reversal of 616161069679 is 976960161616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616161069679 - 2⁷ = 616161069551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616161064679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308080534839 + 308080534840.

It is an arithmetic number, because the mean of its divisors is an integer number (308080534840).

Almost surely, 2^616161069679 is an apocalyptic number.

616161069679 is a deficient number, since it is larger than the sum of its proper divisors (1).

616161069679 is an equidigital number, since it uses as much as digits as its factorization.

616161069679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4408992, while the sum is 58.

The spelling of 616161069679 in words is "six hundred sixteen billion, one hundred sixty-one million, sixty-nine thousand, six hundred seventy-nine".