161448071 has 8 divisors (see below), whose sum is σ = 163497984. Its totient is φ = 159407640.

The previous prime is 161448059. The next prime is 161448097. The reversal of 161448071 is 170844161.

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 161448071 - 2²⁶ = 94339207 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 (161478071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35666 + ... + 39936.

It is an arithmetic number, because the mean of its divisors is an integer number (20437248).

Almost surely, 2^161448071 is an apocalyptic number.

161448071 is a deficient number, since it is larger than the sum of its proper divisors (2049913).

161448071 is a wasteful number, since it uses less digits than its factorization.

161448071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 161448071 is about 12706.2217436971. The cubic root of 161448071 is about 544.5163860678.

The spelling of 161448071 in words is "one hundred sixty-one million, four hundred forty-eight thousand, seventy-one".