161162165343 has 4 divisors (see below), whose sum is σ = 214882887128. Its totient is φ = 107441443560.

The previous prime is 161162165309. The next prime is 161162165393. The reversal of 161162165343 is 343561261161.

161162165343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 161162165343 - 2²⁴ = 161145388127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161162165393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26860360888 + ... + 26860360893.

It is an arithmetic number, because the mean of its divisors is an integer number (53720721782).

Almost surely, 2^161162165343 is an apocalyptic number.

161162165343 is a deficient number, since it is larger than the sum of its proper divisors (53720721785).

161162165343 is an equidigital number, since it uses as much as digits as its factorization.

161162165343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53720721784.

The product of its digits is 77760, while the sum is 39.

The spelling of 161162165343 in words is "one hundred sixty-one billion, one hundred sixty-two million, one hundred sixty-five thousand, three hundred forty-three".