61683016867 has 2 divisors, whose sum is σ = 61683016868. Its totient is φ = 61683016866.

The previous prime is 61683016861. The next prime is 61683016873. The reversal of 61683016867 is 76861038616.

It is a balanced prime because it is at equal distance from previous prime (61683016861) and next prime (61683016873).

It is a cyclic number.

It is not a de Polignac number, because 61683016867 - 2³¹ = 59535533219 is a prime.

It is not a weakly prime, because it can be changed into another prime (61683016861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30841508433 + 30841508434.

It is an arithmetic number, because the mean of its divisors is an integer number (30841508434).

Almost surely, 2^61683016867 is an apocalyptic number.

61683016867 is a deficient number, since it is larger than the sum of its proper divisors (1).

61683016867 is an equidigital number, since it uses as much as digits as its factorization.

61683016867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 61683016867 in words is "sixty-one billion, six hundred eighty-three million, sixteen thousand, eight hundred sixty-seven".