161297059 has 8 divisors (see below), whose sum is σ = 201097728. Its totient is φ = 125685960.

The previous prime is 161297041. The next prime is 161297063. The reversal of 161297059 is 950792161.

161297059 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 161297059 - 2⁵ = 161297027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161297029) 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, 1047307 + ... + 1047460.

It is an arithmetic number, because the mean of its divisors is an integer number (25137216).

Almost surely, 2^161297059 is an apocalyptic number.

161297059 is a deficient number, since it is larger than the sum of its proper divisors (39800669).

161297059 is a wasteful number, since it uses less digits than its factorization.

161297059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094785.

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 161297059 is about 12700.2779103451. The cubic root of 161297059 is about 544.3465602345.

The spelling of 161297059 in words is "one hundred sixty-one million, two hundred ninety-seven thousand, fifty-nine".