16481724 has 48 divisors (see below), whose sum is σ = 45147648. Its totient is φ = 4580928.

The previous prime is 16481723. The next prime is 16481747. The reversal of 16481724 is 42718461.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16481723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457 + ... + 5759.

It is an arithmetic number, because the mean of its divisors is an integer number (940576).

Almost surely, 2^16481724 is an apocalyptic number.

16481724 is a gapful number since it is divisible by the number (14) 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 16481724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22573824).

16481724 is an abundant number, since it is smaller than the sum of its proper divisors (28665924).

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

16481724 is a wasteful number, since it uses less digits than its factorization.

16481724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354 (or 5352 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 16481724 is about 4059.7689589434. The cubic root of 16481724 is about 254.4881389351.

It can be divided in two parts, 16481 and 724, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 16481724 in words is "sixteen million, four hundred eighty-one thousand, seven hundred twenty-four".