161160160643 has 2 divisors, whose sum is σ = 161160160644. Its totient is φ = 161160160642.

The previous prime is 161160160639. The next prime is 161160160663. The reversal of 161160160643 is 346061061161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161160160643 - 2² = 161160160639 is a prime.

It is not a weakly prime, because it can be changed into another prime (161160160613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80580080321 + 80580080322.

It is an arithmetic number, because the mean of its divisors is an integer number (80580080322).

Almost surely, 2^161160160643 is an apocalyptic number.

161160160643 is a deficient number, since it is larger than the sum of its proper divisors (1).

161160160643 is an equidigital number, since it uses as much as digits as its factorization.

161160160643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 161160160643 in words is "one hundred sixty-one billion, one hundred sixty million, one hundred sixty thousand, six hundred forty-three".