161480 has 32 divisors (see below), whose sum is σ = 397440. Its totient is φ = 58560.

The previous prime is 161471. The next prime is 161503. The reversal of 161480 is 84161.

161480 = T₁₁ + T₁₂ + ... + T₉₈.

161480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 161480.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257 + ... + 623.

It is an arithmetic number, because the mean of its divisors is an integer number (12420).

2¹⁶¹⁴⁸⁰ is an apocalyptic number.

161480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198720).

161480 is an abundant number, since it is smaller than the sum of its proper divisors (235960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161480 is a wasteful number, since it uses less digits than its factorization.

161480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 161480 is about 401.8457415477. The cubic root of 161480 is about 54.4552279379.

The spelling of 161480 in words is "one hundred sixty-one thousand, four hundred eighty".