161456 has 10 divisors (see below), whose sum is σ = 312852. Its totient is φ = 80720.

The previous prime is 161453. The next prime is 161459. The reversal of 161456 is 654161.

161456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (161453) and next prime (161459).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (161453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5030 + ... + 5061.

2¹⁶¹⁴⁵⁶ is an apocalyptic number.

161456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161456 is a deficient number, since it is larger than the sum of its proper divisors (151396).

161456 is a wasteful number, since it uses less digits than its factorization.

161456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10099 (or 10093 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 161456 is about 401.8158782328. The cubic root of 161456 is about 54.4525299976.

The spelling of 161456 in words is "one hundred sixty-one thousand, four hundred fifty-six".