103706442661 has 2 divisors, whose sum is σ = 103706442662. Its totient is φ = 103706442660.

The previous prime is 103706442647. The next prime is 103706442683. The reversal of 103706442661 is 166244607301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83922613636 + 19783829025 = 289694^2 + 140655^2 .

It is a cyclic number.

It is not a de Polignac number, because 103706442661 - 2¹⁵ = 103706409893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103706442601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51853221330 + 51853221331.

It is an arithmetic number, because the mean of its divisors is an integer number (51853221331).

Almost surely, 2^103706442661 is an apocalyptic number.

It is an amenable number.

103706442661 is a deficient number, since it is larger than the sum of its proper divisors (1).

103706442661 is an equidigital number, since it uses as much as digits as its factorization.

103706442661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 103706442661 in words is "one hundred three billion, seven hundred six million, four hundred forty-two thousand, six hundred sixty-one".