16115424 has 96 divisors (see below), whose sum is σ = 46922400. Its totient is φ = 4810752.

The previous prime is 16115413. The next prime is 16115453. The reversal of 16115424 is 42451161.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a junction number, because it is equal to n+sod(n) for n = 16115394 and 16115403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46002 + ... + 46350.

It is an arithmetic number, because the mean of its divisors is an integer number (488775).

Almost surely, 2^16115424 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 16115424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23461200).

16115424 is an abundant number, since it is smaller than the sum of its proper divisors (30806976).

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

16115424 is a wasteful number, since it uses less digits than its factorization.

16115424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 404 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 16115424 is about 4014.4020725383. The cubic root of 16115424 is about 252.5886967420.

Adding to 16115424 its reverse (42451161), we get a palindrome (58566585).

It can be divided in two parts, 16 and 115424, that added together give a triangular number (115440 = T₄₈₀).

The spelling of 16115424 in words is "sixteen million, one hundred fifteen thousand, four hundred twenty-four".