16493256 has 96 divisors (see below), whose sum is σ = 49008960. Its totient is φ = 4980096.

The previous prime is 16493251. The next prime is 16493261. The reversal of 16493256 is 65239461.

It is a happy number.

16493256 is a `hidden beast` number, since 1 + 649 + 3 + 2 + 5 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (16493251) and next prime (16493261).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 16493256.

It is not an unprimeable number, because it can be changed into a prime (16493251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62581 + ... + 62843.

It is an arithmetic number, because the mean of its divisors is an integer number (510510).

Almost surely, 2^16493256 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 16493256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24504480).

16493256 is an abundant number, since it is smaller than the sum of its proper divisors (32515704).

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

16493256 is a wasteful number, since it uses less digits than its factorization.

16493256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 348 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 16493256 is about 4061.1889884614. The cubic root of 16493256 is about 254.5474788645.

The spelling of 16493256 in words is "sixteen million, four hundred ninety-three thousand, two hundred fifty-six".