161145163353161 has 8 divisors (see below), whose sum is σ = 173546660361984. Its totient is φ = 148744482803280.

The previous prime is 161145163353089. The next prime is 161145163353211. The reversal of 161145163353161 is 161353361541161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161145163353161 - 2¹⁴ = 161145163336777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161145163353761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203704775 + ... + 204494316.

It is an arithmetic number, because the mean of its divisors is an integer number (21693332545248).

Almost surely, 2^{161145163353161} is an apocalyptic number.

It is an amenable number.

161145163353161 is a deficient number, since it is larger than the sum of its proper divisors (12401497008823).

161145163353161 is a wasteful number, since it uses less digits than its factorization.

161145163353161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408229471.

The product of its digits is 583200, while the sum is 47.

The spelling of 161145163353161 in words is "one hundred sixty-one trillion, one hundred forty-five billion, one hundred sixty-three million, three hundred fifty-three thousand, one hundred sixty-one".