161486 has 8 divisors (see below), whose sum is σ = 260904. Its totient is φ = 74520.

The previous prime is 161471. The next prime is 161503. The reversal of 161486 is 684161.

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 6211 = 161486 / (1 + 6 + 1 + 4 + 8 + 6).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3080 + ... + 3131.

It is an arithmetic number, because the mean of its divisors is an integer number (32613).

2¹⁶¹⁴⁸⁶ is an apocalyptic number.

161486 is a deficient number, since it is larger than the sum of its proper divisors (99418).

161486 is a wasteful number, since it uses less digits than its factorization.

161486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6226.

The product of its digits is 1152, while the sum is 26.

The square root of 161486 is about 401.8532070296. The cubic root of 161486 is about 54.4559023812.

The spelling of 161486 in words is "one hundred sixty-one thousand, four hundred eighty-six".