61716710123 has 2 divisors, whose sum is σ = 61716710124. Its totient is φ = 61716710122.

The previous prime is 61716710023. The next prime is 61716710161. The reversal of 61716710123 is 32101761716.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61716710123 - 2²² = 61712515819 is a prime.

It is not a weakly prime, because it can be changed into another prime (61716710173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30858355061 + 30858355062.

It is an arithmetic number, because the mean of its divisors is an integer number (30858355062).

Almost surely, 2^61716710123 is an apocalyptic number.

61716710123 is a deficient number, since it is larger than the sum of its proper divisors (1).

61716710123 is an equidigital number, since it uses as much as digits as its factorization.

61716710123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 35.

The spelling of 61716710123 in words is "sixty-one billion, seven hundred sixteen million, seven hundred ten thousand, one hundred twenty-three".