16023456 has 144 divisors (see below), whose sum is σ = 49533120. Its totient is φ = 4899840.

The previous prime is 16023451. The next prime is 16023461. The reversal of 16023456 is 65432061.

16023456 is a `hidden beast` number, since 1 + 602 + 3 + 4 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (16023451) and next prime (16023461).

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×16023456² = 513502284367872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16023451) 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, 271555 + ... + 271613.

It is an arithmetic number, because the mean of its divisors is an integer number (343980).

Almost surely, 2^16023456 is an apocalyptic number.

16023456 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 16023456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24766560).

16023456 is an abundant number, since it is smaller than the sum of its proper divisors (33509664).

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

16023456 is a wasteful number, since it uses less digits than its factorization.

16023456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 16023456 is about 4002.9309262089. The cubic root of 16023456 is about 252.1072861393.

The spelling of 16023456 in words is "sixteen million, twenty-three thousand, four hundred fifty-six".