161446 has 8 divisors (see below), whose sum is σ = 245160. Its totient is φ = 79728.

The previous prime is 161411. The next prime is 161453. The reversal of 161446 is 644161.

161446 = T₁₅₈ + T₁₅₉ + ... + T₁₆₉.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276 + ... + 631.

It is an arithmetic number, because the mean of its divisors is an integer number (30645).

2¹⁶¹⁴⁴⁶ is an apocalyptic number.

161446 is a deficient number, since it is larger than the sum of its proper divisors (83714).

161446 is an equidigital number, since it uses as much as digits as its factorization.

161446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998.

The product of its digits is 576, while the sum is 22.

The square root of 161446 is about 401.8034345299. The cubic root of 161446 is about 54.4514057769.

The spelling of 161446 in words is "one hundred sixty-one thousand, four hundred forty-six".