161035071 has 4 divisors (see below), whose sum is σ = 214713432. Its totient is φ = 107356712.

The previous prime is 161035037. The next prime is 161035073. The reversal of 161035071 is 170530161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170530161 = 3 ⋅56843387.

It is a cyclic number.

It is not a de Polignac number, because 161035071 - 2¹⁴ = 161018687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161035073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26839176 + ... + 26839181.

It is an arithmetic number, because the mean of its divisors is an integer number (53678358).

Almost surely, 2^161035071 is an apocalyptic number.

161035071 is a deficient number, since it is larger than the sum of its proper divisors (53678361).

161035071 is an equidigital number, since it uses as much as digits as its factorization.

161035071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53678360.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 161035071 is about 12689.9594562000. The cubic root of 161035071 is about 544.0516808149.

The spelling of 161035071 in words is "one hundred sixty-one million, thirty-five thousand, seventy-one".