161296099843 has 2 divisors, whose sum is σ = 161296099844. Its totient is φ = 161296099842.

The previous prime is 161296099829. The next prime is 161296099931. The reversal of 161296099843 is 348990692161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161296099843 - 2²¹ = 161294002691 is a prime.

It is not a weakly prime, because it can be changed into another prime (161296079843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80648049921 + 80648049922.

It is an arithmetic number, because the mean of its divisors is an integer number (80648049922).

Almost surely, 2^161296099843 is an apocalyptic number.

161296099843 is a deficient number, since it is larger than the sum of its proper divisors (1).

161296099843 is an equidigital number, since it uses as much as digits as its factorization.

161296099843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5038848, while the sum is 58.

The spelling of 161296099843 in words is "one hundred sixty-one billion, two hundred ninety-six million, ninety-nine thousand, eight hundred forty-three".