161343410747 has 2 divisors, whose sum is σ = 161343410748. Its totient is φ = 161343410746.

The previous prime is 161343410717. The next prime is 161343410777. The reversal of 161343410747 is 747014343161.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (161343410717) and next prime (161343410777).

It is an emirp because it is prime and its reverse (747014343161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161343410747 is a prime.

It is not a weakly prime, because it can be changed into another prime (161343410717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80671705373 + 80671705374.

It is an arithmetic number, because the mean of its divisors is an integer number (80671705374).

Almost surely, 2^161343410747 is an apocalyptic number.

161343410747 is a deficient number, since it is larger than the sum of its proper divisors (1).

161343410747 is an equidigital number, since it uses as much as digits as its factorization.

161343410747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 161343410747 in words is "one hundred sixty-one billion, three hundred forty-three million, four hundred ten thousand, seven hundred forty-seven".