161376 has 36 divisors (see below), whose sum is σ = 434196. Its totient is φ = 52480.

The previous prime is 161363. The next prime is 161377. The reversal of 161376 is 673161.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3916 + ... + 3956.

It is an arithmetic number, because the mean of its divisors is an integer number (12061).

2¹⁶¹³⁷⁶ is an apocalyptic number.

161376 is a gapful number since it is divisible by the number (16) 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 161376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217098).

161376 is an abundant number, since it is smaller than the sum of its proper divisors (272820).

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

161376 is an equidigital number, since it uses as much as digits as its factorization.

161376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 46 counting only the distinct ones).

The product of its digits is 756, while the sum is 24.

The square root of 161376 is about 401.7163178164. The cubic root of 161376 is about 54.4435349317.

Multiplying 161376 by its sum of digits (24), we get a square (3873024 = 1968²).

161376 divided by its sum of digits (24) gives a square (6724 = 82²).

The spelling of 161376 in words is "one hundred sixty-one thousand, three hundred seventy-six".