61910607163 has 2 divisors, whose sum is σ = 61910607164. Its totient is φ = 61910607162.

The previous prime is 61910607119. The next prime is 61910607173. The reversal of 61910607163 is 36170601916.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61910607163 is a prime.

It is not a weakly prime, because it can be changed into another prime (61910607173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30955303581 + 30955303582.

It is an arithmetic number, because the mean of its divisors is an integer number (30955303582).

Almost surely, 2^61910607163 is an apocalyptic number.

61910607163 is a deficient number, since it is larger than the sum of its proper divisors (1).

61910607163 is an equidigital number, since it uses as much as digits as its factorization.

61910607163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 40.

The spelling of 61910607163 in words is "sixty-one billion, nine hundred ten million, six hundred seven thousand, one hundred sixty-three".