16161324 has 48 divisors (see below), whose sum is σ = 40279680. Its totient is φ = 5028480.

The previous prime is 16161319. The next prime is 16161329. The reversal of 16161324 is 42316161.

It is an interprime number because it is at equal distance from previous prime (16161319) and next prime (16161329).

It is a super-2 number, since 2×16161324² = 522376786865952, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 16161294 and 16161303.

It is not an unprimeable number, because it can be changed into a prime (16161329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16159 + ... + 17129.

It is an arithmetic number, because the mean of its divisors is an integer number (839160).

Almost surely, 2^16161324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16161324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20139840).

16161324 is an abundant number, since it is smaller than the sum of its proper divisors (24118356).

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

16161324 is a wasteful number, since it uses less digits than its factorization.

16161324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1068 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 16161324 is about 4020.1149237304. The cubic root of 16161324 is about 252.8282773942.

Adding to 16161324 its reverse (42316161), we get a palindrome (58477485).

The spelling of 16161324 in words is "sixteen million, one hundred sixty-one thousand, three hundred twenty-four".