61683160559 has 2 divisors, whose sum is σ = 61683160560. Its totient is φ = 61683160558.

The previous prime is 61683160541. The next prime is 61683160639. The reversal of 61683160559 is 95506138616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61683160559 - 2⁸ = 61683160303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61683160459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30841580279 + 30841580280.

It is an arithmetic number, because the mean of its divisors is an integer number (30841580280).

Almost surely, 2^61683160559 is an apocalyptic number.

61683160559 is a deficient number, since it is larger than the sum of its proper divisors (1).

61683160559 is an equidigital number, since it uses as much as digits as its factorization.

61683160559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 61683160559 in words is "sixty-one billion, six hundred eighty-three million, one hundred sixty thousand, five hundred fifty-nine".